0.662÷3 0.375÷2.43.75÷24 7.8×1.017.8
0.96×9.89.6 4.89÷0.81 2.7×0.878.7×0.27
A.一定 B.可能 C.不可能
2.8÷0.7= 0.2×0.2×0.2= 0.56÷0.8= 7.79×0=
7÷5= 21.8÷2= 6.87-1.76= 4×3.2=
1.23+4.5= 2.4÷0.04=
①21÷3.5+21÷15
②36.8×99+36.8
③60.8-36÷7.5
④3.09×3.9÷2.6
⑤12.5×4×0.8×2.5
⑥(2.1+6.9+0.15)÷0.1