文档介绍：72÷8= 55-31= 46-3= 68-42= 10+70=
3+95= 18÷9= 5+12= 18+27= 60-40=
24÷8= 14+84= 62+3= 65+26= 90-70=
28÷7= 99-17= 87-2= 5×6= 60+40=
12+73= 6÷2= 51+7= 18-13= 50-30=
56-35= 15÷3= 12÷2= 79-8= 28-15=
4÷2= 11+15= 42÷6= 3+46= 59-21=
75-12= 5×5= 43+30= 59-6= 79-41=
6×2= 53+46= 96-44= 98-8= 8×3=
6÷2= 29-22= 30+58= 69-30= 18÷2=
21+33= 25÷5= 36÷9= 99-31= 48÷8=
83-12= 49÷7= 6×4= 69-15= 3×7=
10÷2= 99-65= 7×2= 38-24= 3×6=
20+62= 32+65= 87-54= 54÷6= 20+16=
20÷4= 39-34= 25÷5= 24+74= 60+29=
86-72= 21÷3= 2×5= 30+25= 14+71=
64+20= 3×6= 7×6= 99-76= 85-62=
9÷3= 77-52= 56÷8= 20÷4= 20÷5=
28÷4= 40+44= 8÷1= 5×7= 6×5=
9×9= 30+20= 73-20= 9×8= 16÷8=
35+33= 60-20= 16÷2= 18÷6= 98-91=
79-75= 40+50= 42÷6= 32+62= 61+34=
18÷2= 70-50= 16+11= 43+15= 60+32=
5×2= 20+40= 57-56= 66+11= 62+14=
31+23= 70-20= 32+30= 3×9= 16+71=
11+16= 70+20= 8×9= 9÷1= 82+17=
20+71= 30-30= 8×4= 18÷9= 89-77=
7×7= 65-52= 49+13= 43-11= 9×3=
42÷6= 34+42= 9×7= 23+55= 16÷4=
24÷8= 34+42= 24÷4= 89-48= 6×6=
96-85= 36÷4= 18÷9= 98-65= 18÷2=
62+25= 63÷7= 6×7= 10÷5= 4×9÷6=
16÷4×4= 36+51= 35÷5= 42÷6= 8×6=
27÷9= 29-17= 21÷7= 18÷2= 86-63=
0×5= 44+22= 32+55= 65+26= 15+52=
83-50= 8×2= 21+64= 88-85= 54÷6=
47-12= 18÷9= 77-42= 20+71= 2×8=
20÷4= 27÷9= 67-30= 38-37= 97-71=
4×7= 28÷7= 14+12= 23+42= 86-14=
42+44= 24÷8= 49÷7= 67-46= 89-16=
10÷2= 3×9= 32+24= 89-70= 45÷9=
30÷6= 20÷5= 32+66= 9×4= 22+24=
3×7= 4×2= 24+14= 87-74= 56-45=
25+42= 64+33= 34+62= 71-40= 79+20=
18+21= 78-66= 5×5= 15+24= 42÷7=
5×6= 30+66= 4×6= 93-62= 12÷3=
6×2= 52+34= 15÷5= 87-12= 5×9=
56-50= 32÷8= 79-72= 60+19= 50+12=
1×5= 31+35= 78-22= 58-54= 79-27=
56-23= 13+63= 48÷8= 97-75= 67+22=
32+57= 89-44= 73+24= 2×7= 40+42=
4×8= 75+14= 85-83= 64+11= 8÷1=
2×6÷4= 82+11= 14+62= 69-32= 9+19=
52+37= 20+58= 7×6= 36+63= 8×9=
47+11= 21+52= 12÷2= 27÷9= 69-13=
4×9= 69-11= 50+27= 24÷4= 40+47=
63÷7= 69-45= 78-67= 3×6= 38-25=
66-53= 2÷2= 13+46= 30÷6= 49÷7=
5×3= 31+57= 43+31= 17+31= 10÷2=