三年级数学上册口算题
17×40＝ 100－63＝ 3.2＋1.68＝ 2.8×0.4＝
14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
4.9×0.7＝ 1÷5＝ 6÷12＝ 0.87－0.49＝ 24/3*9= 15*3-20= 12*11+13=25*4+36= 36+25-14= 2*36+4= 12/4*35= (23-8)*3= 14/2+21/3= 42/14+54/9= 55/11*20= 36/9*12= 16/4*19= 16-45/15+6=
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...
457+456=913... 7+14=21 ... 18-9=9... 8+16=24 ... 25-5=20... 9+18=27... 56-45=11... 10+20=30... 45-23=22... 11+22=33... 78-23=55... 12+24=36... 10-3=7 15-4=11 20-5=15 25-6=19 30-7=23 35-8=27
40-9=31 45-10=35 50-11=39 55-12=43 60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67 90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91 120-25=95 125-26=99 130-27=103 13+26=39...14+28=42...
15+30=45... 16+32=48... 17+34=51... 18+36=54...19+38=57...20+40=60... 21+42=63... 22+44=66... 23+46=69... 24+48=72...25+50=75...26+52=78...
27+54=81... 28+56=84... 29+58=87... 30+60=90...31+62=93...32+64=96... 33+66=99... 5 ÷1 =5 10 ÷2 =515 ÷3 =5 20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5 55 ÷11 =5 60 ÷12 =5 65 13 =5 70 ÷14 =5 75 ÷15 =5 80 ÷16 5 85 ÷17 5 90 ÷18 5 95 ÷19 5
100 ÷20 5
360 ÷3 ＝
42× 20＝
12 × 50＝
1500－700＝
5900－4000＝
76 ＋ 27＝
840 ÷ 2＝
770 ÷ 7＝
30× 20＝
40× 50＝
9900+100＝
700 ÷ 7＝
240× 10＝
390 ÷ 3＝
60× 50＝
71 - 22＝
50 × 90＝
14 × 20＝
600＋1200＝
840 ÷ 4＝
36 ＋ 49＝
10 × 60＝
800 × 50＝
180 ÷ 3＝
120 ÷ 6 ＝
7500+500＝
460＋140＝
33 × 20 ＝
990 ÷ 3 ＝
440 ÷ 4 ＝
83-57 ＝
860 ÷ 2＝
1100－600＝
6900－1900＝
720 ÷ 8＝
0÷999＝
7 × 800＝
23 × 30＝
290 －190＝
690 ÷ 3＝
690÷3×6＝
17×40＝
100－63＝
3.2＋1.68＝
2.8×0.4＝
14－7.4＝
1.92÷0.04＝
0.32×500＝
0.65＋4.35＝
10－5.4＝
4÷20＝
3.5×200＝
1.5－0.06＝
0.75÷15＝
0.4×0.8＝
4×0.25＝
0.36＋1.54＝
1.01×99＝
420÷35＝
25×12＝
135÷0.5＝
3/4 + 1/4 =
2 + 4/9 =
3 - 2/3 =
3/4 - 1/2=
1/6 + 1/2 -1/6 =
7.5-(2.5+3.8)=
7/8 + 3/8 =
3/10 +1/5 =
4/5 - 7/10 =
2 - 1/6 -1/3 =
0.51÷17＝
32.8＋19＝
5.2÷1.3＝
1.6×0.4＝
4.9×0.7＝
1÷5＝
6÷12＝
0.87－0.49＝
24/3*9=
15*3-20=
12*11+13=
25*4+36=
36+25-14=
2*36+4=
12/4*35=
(23-8)*3=
14/2+21/3=
42/14+54/9=
55/11*20=
36/9*12=
16/4*19=
16-45/15+6=
70÷7=
20×10=
320÷5≈
54×70≈
251÷4≈
6300÷7=
131÷4≈
50×8=
85-45=
0÷5=
280÷4=
60×40=
840-30=
2700÷9=
99×31≈
3.1＋2.7=
131÷4≈
50×8=
7.8-1.8=
350÷5=
630÷9=
131÷6≈
10×80=
65-56=
431÷6≈
15×6=
4.8-0.4=
6.1＋0.7=
91×18≈
257÷4≈
44÷4=
20×40=
210-30=
34+28 =
63- 63÷9=
120÷3×2=
800÷8=
40×70=
300÷4≈
59×72≈
251÷5≈
630÷7=
131÷6≈
0×108=
45-18=
0÷15=
120÷4=
30×40=
640-70=
1800÷9=
99×39≈
5.1＋2.6=
411÷4≈
15×20=
7.3-1.8=
250÷5=
6300÷9=
431÷6≈
20×80=
78-56=
491÷8≈
14×6=
4.8-4.4=
6.1＋4.7=
91×19≈
367÷4≈
55÷5=
10×40=
211-30=
134+28 =
50×40-100=
12×20÷30=
900÷30 12×40 480÷80 16×6 12×7
420÷60 100×26 2400＋300 5600÷70 320＋780
90÷18 16×25 480＋30 300－25×4 100－72÷8
689×5≈ 5430÷9≈ 3976÷8≈ 2080×4≈ 260×8≈
17×40＝ 100－63＝ 3.2＋1.68＝ 2.8×0.4＝
14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
4.9×0.7＝ 1÷5＝ 6÷12＝ 0.87－0.49＝ 32+8/4= 125+75*4= 900*(45*2)= = (406-10)*396= 700*7-10=
73+25+75+127= 36/12*3= 5643/27= 4080*25= 6256/68= 204*33= 680+320*4=
330+(984-893)= 203+2136/4= 2718/(219-21)= 3034-88*5= 24*6+146=
981/9-109= 540/18= 4800/300= 6300/70-40= 111*19= 32*8= 117+335*0=
400/25= (56+56)/14= 48/16+97= 6*(150-125)= (1800-200)/40= 25*4-16=
4022/29= 30500*28= 13356/42= 30000-150*120= 24300-36*405= 650+8172/9=
1800+1200/5= 504*60-2008= 698*20+496= 4199+2503-599= 4003-162*20=
88*6= 888*6= 8888*6= 88888*6= 888888*6= 8888888*6= 88888888*6= ……
405*5= 4005/5= 40005/5= 400005/5= …… 12*8= 34*4= 25*4= 40*5= 290/40= 45*2= 24*5= 66*3= 75*4= 263*25= 105*87= 41412/204= 1955/23=
70*510/170= 300-200/50= 240/30= 0/25*4= 11*11-121= 45+55/5= 99/99+99=
420-420*0+80= 400/40-8= 125-25/25-25= 3000/1000= 4*25*6= = 20*5-20/5= 850-358130/590= 18630/23*305= 3600+1972/34=
280*120+803= 45-15*3= 12*12/12= 27+3-27+3= 18-18/2+1= 38-38/38=
20*5+20*5= (360-360)/4+4= -25-25= 1/1-0*37= 780*50-144/12= 28/105+7236/18= 480-500/50+270= 176+24*50-356/89= 107*15+321/3*85= 199+32*6-16= 2180-5*40= (69+32)*490-205= 126/(48-46)-10=50*8/（45+3）=
8000/1000+2= 440+560/560= 2*20-20/2= 50/25*2-2= (301-201)*100 1-(84+16)*0= (111-11-1)/99= 60*3*60/3= (187-87)/100= (25-18+2
格式排得不大好，自己修改一下
8×7＋6= 6×7＋6= 36÷3÷2= 5×5＋4=
50－24÷4= 9＋9÷9= 800－800÷4= 8×9－7=
72－72÷6= 8＋2×10= 90－30÷3= 6×80－20=
12×3÷3= 5×8－8= 57×3×0= 86－86÷2=
8×2×7= 24＋15＋6= 18÷3－4= 50×6＋0=
45＋55÷5＝ 70×(40－32)＝ 300÷2÷5= 960÷4÷2=
51－4×6÷3＝ 3000－6×408= 500－412÷4=
(400－394)×706= 1+2+3+4+5+6+7+8+9+10=
1+11+111+1111+1111= 1+12+123+1234+12345=
10000－1000－100－10
55+12=67
18+20=38
26+13=39
22-12=10
11*2=22
17×40＝ 100－63＝ 3.2＋1.68＝ 2.8×0.4＝
14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
4.9×0.7＝ 1÷5＝ 6÷12＝ 0.87－0.49＝ 24/3*9= 15*3-20= 12*11+13=25*4+36= 36+25-14= 2*36+4= 12/4*35= (23-8)*3= 14/2+21/3= 42/14+54/9= 55/11*20= 36/9*12= 16/4*19= 16-45/15+6=
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...
457+456=913... 7+14=21 ... 18-9=9... 8+16=24 ... 25-5=20... 9+18=27... 56-45=11... 10+20=30... 45-23=22... 11+22=33... 78-23=55... 12+24=36... 10-3=7 15-4=11 20-5=15 25-6=19 30-7=23 35-8=27
40-9=31 45-10=35 50-11=39 55-12=43 60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67 90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91 120-25=95 125-26=99 130-27=103 13+26=39...14+28=42...
15+30=45... 16+32=48... 17+34=51... 18+36=54...19+38=57...20+40=60... 21+42=63... 22+44=66... 23+46=69... 24+48=72...25+50=75...26+52=78...
27+54=81... 28+56=84... 29+58=87... 30+60=90...31+62=93...32+64=96... 33+66=99... 5 ÷1 =5 10 ÷2 =515 ÷3 =5 20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5 55 ÷11 =5 60 ÷12 =5 65 13 =5 70 ÷14 =5 75 ÷15 =5 80 ÷16 5 85 ÷17 5 90 ÷18 5 95 ÷19 5
100 ÷20 5
360 ÷3 ＝
42× 20＝
12 × 50＝
1500－700＝
5900－4000＝
76 ＋ 27＝
840 ÷ 2＝
770 ÷ 7＝
30× 20＝
40× 50＝
9900+100＝
700 ÷ 7＝
240× 10＝
390 ÷ 3＝
60× 50＝
71 - 22＝
50 × 90＝
14 × 20＝
600＋1200＝
840 ÷ 4＝
36 ＋ 49＝
10 × 60＝
800 × 50＝
180 ÷ 3＝
120 ÷ 6 ＝
7500+500＝
460＋140＝
33 × 20 ＝
990 ÷ 3 ＝
440 ÷ 4 ＝
83-57 ＝
860 ÷ 2＝
1100－600＝
6900－1900＝
720 ÷ 8＝
0÷999＝
7 × 800＝
23 × 30＝
290 －190＝
690 ÷ 3＝
690÷3×6＝
17×40＝
100－63＝
3.2＋1.68＝
2.8×0.4＝
14－7.4＝
1.92÷0.04＝
0.32×500＝
0.65＋4.35＝
10－5.4＝
4÷20＝
3.5×200＝
1.5－0.06＝
0.75÷15＝
0.4×0.8＝
4×0.25＝
0.36＋1.54＝
1.01×99＝
420÷35＝
25×12＝
135÷0.5＝
3/4 + 1/4 =
2 + 4/9 =
3 - 2/3 =
3/4 - 1/2=
1/6 + 1/2 -1/6 =
7.5-(2.5+3.8)=
7/8 + 3/8 =
3/10 +1/5 =
4/5 - 7/10 =
2 - 1/6 -1/3 =
0.51÷17＝
32.8＋19＝
5.2÷1.3＝
1.6×0.4＝
4.9×0.7＝
1÷5＝
6÷12＝
0.87－0.49＝
24/3*9=
15*3-20=
12*11+13=
25*4+36=
36+25-14=
2*36+4=
12/4*35=
(23-8)*3=
14/2+21/3=
42/14+54/9=
55/11*20=
36/9*12=
16/4*19=
16-45/15+6=
70÷7=
20×10=
320÷5≈
54×70≈
251÷4≈
6300÷7=
131÷4≈
50×8=
85-45=
0÷5=
280÷4=
60×40=
840-30=
2700÷9=
99×31≈
3.1＋2.7=
131÷4≈
50×8=
7.8-1.8=
350÷5=
630÷9=
131÷6≈
10×80=
65-56=
431÷6≈
15×6=
4.8-0.4=
6.1＋0.7=
91×18≈
257÷4≈
44÷4=
20×40=
210-30=
34+28 =
63- 63÷9=
120÷3×2=
800÷8=
40×70=
300÷4≈
59×72≈
251÷5≈
630÷7=
131÷6≈
0×108=
45-18=
0÷15=
120÷4=
30×40=
640-70=
1800÷9=
99×39≈
5.1＋2.6=
411÷4≈
15×20=
7.3-1.8=
250÷5=
6300÷9=
431÷6≈
20×80=
78-56=
491÷8≈
14×6=
4.8-4.4=
6.1＋4.7=
91×19≈ 900÷30 12×40 480÷80 16×6 12×7
420÷60 100×26 2400＋300 5600÷70 320＋780
90÷18 16×25 480＋30 300－25×4 100－72÷8
689×5≈ 5430÷9≈ 3976÷8≈ 2080×4≈ 260×8≈
17×40＝ 100－63＝ 3.2＋1.68＝ 2.8×0.4＝
14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
4.9×0.7＝ 1÷5＝ 6÷12＝ 0.87－0.49＝ 32+8/4= 125+75*4= 900*(45*2)= = (406-10)*396= 700*7-10=
73+25+75+127= 36/12*3= 5643/27= 4080*25= 6256/68= 204*33= 680+320*4=
330+(984-893)= 203+2136/4= 2718/(219-21)= 3034-88*5= 24*6+146=
981/9-109= 540/18= 4800/300= 6300/70-40= 111*19= 32*8= 117+335*0=
400/25= (56+56)/14= 48/16+97= 6*(150-125)= (1800-200)/40= 25*4-16=
4022/29= 30500*28= 13356/42= 30000-150*120= 24300-36*405= 650+8172/9=
1800+1200/5= 504*60-2008= 698*20+496= 4199+2503-599= 4003-162*20=
88*6= 888*6= 8888*6= 88888*6= 888888*6= 8888888*6= 88888888*6= ……
405*5= 4005/5= 40005/5= 400005/5= …… 12*8= 34*4= 25*4= 40*5= 290/40= 45*2= 24*5= 66*3= 75*4= 263*25= 105*87= 41412/204= 1955/23=
70*510/170= 300-200/50= 240/30= 0/25*4= 11*11-121= 45+55/5= 99/99+99=
420-420*0+80= 400/40-8= 125-25/25-25= 3000/1000= 4*25*6= = 20*5-20/5= 850-358130/590= 18630/23*305= 3600+1972/34=
280*120+803= 45-15*3= 12*12/12= 27+3-27+3= 18-18/2+1= 38-38/38=
20*5+20*5= (360-360)/4+4= -25-25= 1/1-0*37= 780*50-144/12= 28/105+7236/18= 480-500/50+270= 176+24*50-356/89= 107*15+321/3*85= 199+32*6-16= 2180-5*40= (69+32)*490-205= 126/(48-46)-10=50*8/（45+3）=
8000/1000+2= 440+560/560= 2*20-20/2= 50/25*2-2= (301-201)*100 1-(84+16)*0= (111-11-1)/99= 60*3*60/3= (187-87)/100= (25-18+2
25×2=
25×4=
25×6=
25×8=
25×3=
25×5=
25×7=
25×9=
15×2=
15×4=
15×6=
15×8=
15×3=
15×5=
15×7=
15×9=
45×2=
45×4=
45×6=
45×8=
45×3=
45×5=
45×7=
45×9=
35×2=
35×4=
35×6=
35×8=
35×3=
35×5=
35×7=
35×9=
125×2=
125×4=
125×6=
125×8=
125×3=
125×5=
125×7=
125×9=
123+25=
80-17=
10+20=
120-25=
248+89=
85-18=
11+22=
125-26=
456+45=
90-19=
12+24=
130-27=
879+54=
95-20=
60-13=
146-23=
457+456=
100-21=
65-14=
546-457=
7+14=
105-22=
70-15=
896-546=
8+16=
110-23=
75-16=
155×5=
9+18=
115-24=
564-12=
45×10=
45-23=
456-12=
56-45=
56×12=
78-23=
25×6=
125×4=
25×7=
26+9=
57-38=
1500-700=
42×2=
660÷3=
960÷3=
180÷9=
65+15=
50÷5=
3×800=
420÷7=
3×220=
22÷4
=
7×(
)=49
(
)×7
=
42
24÷8
=
26÷4=
37÷8
=
54÷8
=
55÷6
=
9×(
)=
18
(
)×8
=
64
18÷6
=
64÷9=
69÷8
=
19÷
3
=
510÷3=
40×9=
23×30=
84÷4=
15÷3=
12×4=
50×9=
4×25=
99÷9=
75÷5=
205÷5=
46×10=
8×6=
72+19=
6÷1=
180÷180=
48÷8
=
45+37=
4×7=
550-550=
500-370=
25+75=
55+88=
69+24=
350-80=
77+66
=
790+130=
87-29=
800-330=
99+11=
257-257=
65+35=
64
÷8=
92+46=
46÷7=
50÷6=
÷
8
=
39÷9=
93-39=
86-68=
1000-300=
29+63=
54-45=
7×7=
75÷9=
81÷9
=
800-260=
86×0=
470-80=
55÷7=
38
+
52
=
250+630=
77+33=
380+70=
500-490=
63÷7
=
6÷6=
95-68=
0×9=
27÷9=
910-320=
73
+37
=
0÷9=
680+220=
550+260=
25÷4=
0+9=
57-38=
8×9=
47÷8=
126-126=
42+42÷7=
64÷8+70=
500+320+80=
60+60+60=
8÷8×8=
30-30÷6=
5×(
)=
25
(
)×4
=
36
36÷9
=
28÷9=
39÷9
=
61÷7
=
48÷9
=
9×(
)=
72
(
)×2
=
6
72÷9
=
24÷4=
14÷7
=
23÷6
=
47÷7
=
7×(
)=
28
(
)×3
=
21
56÷8
=
28÷3=
65÷8
=
26÷3
=
51÷8
=
8×(
)
=
40
(
)×4
=
16
63÷7
=
34÷6=
10÷7
=
77÷9
=
37÷5
=
6×(
)=
24
(
)×6
=
48
28÷7
=
36÷6=
17÷2
=
40÷6
=
19÷8
=
7×(
)=
56
(
)×1
=
7
54÷9
=
64÷8=
58÷9
=
41÷7
=
66÷7
=
2×(
)=
14
(
)×7
=
63
24÷6
=
49÷9=
35÷4
=
29÷9
=
29÷4
=
2×(
)=
8
(
)×5
=
35
42÷6
=
30÷8=
15÷2
=
17÷6
=
32÷5
=
3×(
)=
18
(
)×3
=
12
12÷6
=
40÷8=
33÷9
=
46÷8
=
17÷7
=
9×(
)=
45
(
)×9
=
54
32÷4
=
54
÷6=
25÷4
=
23÷3
=
23÷9
=
6×(
)=
12
(
)×8
=
24
16÷2
=
19÷2=
43÷5
=
67÷9
=
9
÷4
=
8×(
)=
16
(
)×3=27
42÷7
=
23÷5=
35÷6
=
29÷5
=
33÷5
=
1×(
)=
4
(
)×3
=
9
49÷7
=
45÷5=
19÷2
=
23÷6
=
93÷3=
880÷4=
1200-200=
11×7=
80-46=
0÷51=
0÷76=
0×85=
70÷7=
14×2=
5×900=
2×200=
84÷4=
0÷91=
930÷3=
390÷3=
0+22=
83-57=
29+68=
68-49=
80×7=
800÷4=
330÷3=
3×23=
64÷2=
58+26=
34×2=
550÷5=
800×8=
420÷2=
63÷3=
160÷4=
800+700=
690÷3=
58-0=
2×
440=
48÷2=
480÷2=
60×5=
2×44=
840÷4=
54+36=
37+55=
73-35=
74+21=
120-73=
29×3=
90-47=
70-32=
56+34=
36+23=
21+67=
56÷3=
43+26=
61+46=
58-45=
10÷3
5÷2
35÷5
=
82÷9=
51÷7
=
84÷9
=
46÷6
=
3×(
)=
12
(
)×4
=
20
36÷4
=
31÷5=
13÷2
=
27÷7
=
41÷6
=
2×(
)=
10
(
)×9
=
81
56÷7
=
29÷3=
9
÷5
=
29÷3
=
24÷5
=
5×(
)=
45
(
)×4
=
32
48÷6
=
43÷5=
54÷6
=
49÷5
=
79÷8
=
6×(
)=
36
(
)×5
=
30
35÷7
=
72÷8=
27÷8
=
21÷4
=
37÷4
=
(
)×4
=
36
36÷9
=
28÷9=
39÷9
=
61÷7
=
48÷9
=
9×(
)=
72
(
)×2
=
6
72÷9
=
24÷4=
67-54=
67+23=
80-37=
55-38=
16+25=
43×2=
32+53=
42+15=
21+79=
120-43=
25-7=
62-35=
47-29=
21×3=
44+17=
21+78=
76-37=
93-17=
28+35=
40×3=
72-35=
72÷3=
9×110=
36+52=
58-46=
68-46=
68-37=
76-68=
80×5=
77-29=
66-38=
72-39=
45+15=
17+46=
200×4=
75+34=
57+33=
400÷8=
22×4=
23-18=
54+17=
12×3=
840÷4=
400÷8=
22×4=
23-18=
54+17=
12×3=
840÷4=
99+1=
31×3=
84-47=
280÷2=
320×2=
540+20=
96-46=
80×50=
420÷7=
65+35=
110×5=
73-28=
930÷3=
24×20=
26+9=
57-38=
1500-700=
42×2=
99÷3=
770÷7=
660÷3=
960÷3=
180÷9=
65+15=
660÷6=
800×2=
50÷5=
3×800=
420÷7=
3×220=
480÷4=
58+33=
420-20=
72-8=
50-36=
53-32=
63÷6=
120-49=
80-36=
53-16=
18+62=
61-37=
32×3=
67-54=
67+23=
80-37=
55-38=
16+25=
43×2=
32+53=
42+15=
21+79=
120-43=
25-7=
62-35=
47-29=
21×3=
44+17=
21+78=
76-37=
93-17=
28+35=
40×3=
72-35=
72÷3=
9×110=
36+52=
58-46=
68-46=
68-37=
76-68=
80×5=
77-29=
66-38=
72-39=
45+15=
17+46=
200×4=
75+34=
57+33=
400÷8=
22×4=
23-18=
54+17=
12×3=
840÷4=
400÷8=
22×4=
23-18=
54+17=
12×3=
840÷4=
99+1=
31×3=
84-47=
280÷2=
320×2=
540+20=
96-46=
80×50=
420÷7=
65+35=
110×5=
73-28=
930÷3=
24×20=
26+9=
57-38=
1500-700=
42×2=
99÷3=
770÷7=
660÷3=
960÷3=
180÷9=
65+15=
660÷6=
800×2=
50÷5=
3×800=
420÷7=
3×220=
480÷4=
58+33=
420-20=
10×2= 72－47= 20×5= 27＋15=
20÷2= 63÷3= 27×5= 510÷3=
40×9= 23×30= 84÷4= 15÷3=
12×4= 513×9= 4×815= 99÷9=
75÷5= 205÷5= 46×10= 24×20=
872－124= 27＋127= 700÷5= 350＋70=
591÷3= 8×122= 178÷2= 30×80=
800÷8= 265＋85= 110×35= 901÷3=
0÷245= 0×245= 0＋245= 245÷5=
3000－300= 605÷5= 50×50= 306÷3=
702－199= 480÷3= 120×80= 27×8=
62×15= 860÷4= 19×5= 40×20=
520－430= 51×17= 15×61= 87÷3=
91×31= 80÷10= 465÷5= 870÷8=
400×20= 210÷7= 4500÷9= 5×80=
300×30= 88＋112= 380÷7= 36×8=
86×7= 27×90= 33÷3= 880÷8=
480÷8= 22×22= 16×50= 19×39=
270÷30= 92×7= 38×60= 14×4=
130×4= 810÷3= 72－24= 16×4=
8×7＋6= 6×7＋6= 36÷3÷2= 5×5＋4=
50－24÷4= 9＋9÷9= 800－800÷4= 8×9－7=
72－72÷6= 8＋2×10= 90－30÷3= 6×80－20=
12×3÷3= 5×8－8= 57×3×0= 86－86÷2=
8×2×7= 24＋15＋6= 18÷3－4= 50×6＋0=
45＋55÷5＝ 70×(40－32)＝ 300÷2÷5= 960÷4÷2=
51－4×6÷3＝ 3000－6×408= 500－412÷4=
(400－394)×706= 1+2+3+4+5+6+7+8+9+10=
1+11+111+1111+1111= 1+12+123+1234+12345=
10000－1000－100－10－1=
这太简单了，自己做吧。脚踏实地的好
