实用文档 1 / 1 3 1 6÷3-1= 1 8×6+20= 1 14-1+86= 2 12-72÷8= 2 5×7+8= 2 7×8+39= 3 8×3+3= 3 22+6×4= 3 26+9×6= 4 6×7+13= 4 10-20÷4= 4 34+29-60= 5 61-1×2= 5 2×7+63= 5 42÷7+2= 6 6÷6+93= 6 9×9+18= 6 82-10×5= 7 58+25-79= 7 10+16÷8= 7 20÷4+2= 8 40+8÷4= 8 81÷9+17= 8 9+8×7= 9 81÷9+8= 9 35÷7+71= 9 5+44-27= 10 2×9+62= 10 4×0+4= 10 10÷5+25= 11 11-60÷6= 11 9÷3+0= 11 14+5×7= 12 60-30÷10= 12 33+4×9= 12 43+10-24= 13 22+34+37= 13 9+3×4= 13 45+24+22= 14 45+20÷4= 14 2÷2+18= 14 9+81÷9= 15 36÷9+12= 15 34-15÷5= 15 2+5×6= 16 49-16÷2= 16 9+16÷2= 16 40÷5-6= 17 99-1÷1= 17 24÷8+5= 17 24÷4+8= 18 36÷6-3= 18 49÷7+14= 18 100-18÷2= 19 54-7+9= 19 14-9÷1= 19 20+48÷6= 20 61-8×2= 20 32+59-45= 20 25÷5+4= 实用文档 2 / 1 3 1 20÷4-1= 1 59-31-10= 1 56÷8+7= 2 3×7+12= 2 43-20-22= 2 70-9×6= 3 10×4-38= 3 2×9+19= 3 5×4-18= 4 42-0+7= 4 42÷7+6= 4