8÷8= 49÷7= 6×4= 21÷3=
35÷7= 9×7= 42÷6= 62-20=
56÷8= 45+26= 100-28= 37+23=
(5+5)÷5= 6×(6-5)= 72+26-72=
①32-29+17
②72÷(26-18)
③20+48÷8
④3×(24÷4)
⑤64-28-17
⑥35+14÷7
×9<80 ×7<20 5×<24
10只虾,每4只排一队,能排成队,还剩只。