A.320 | B.80 |
C.48 | D.32 |
A.与0.5 | B.和7 | C.1和1 |
A.大于 | B.小于 | C.等于 | D.不能确定 |
+ = | ﹣ = | ÷ = | 1÷ = |
17× = | ﹣ = | 3﹣4× = | 1﹣ ﹣ = |
28×( + )= | 1 × = |
+ = | ﹣ = |
1.2× = | ÷3= |
0÷( + )= | × = |
0× = | ÷1= |
÷ = | 1÷ ×9= |
÷5=________ | 3÷ =________ | 3× +0=________ | (1﹣ )×14=________ |
× =________ | ×3.6=________ | ÷ =________ | 5﹣ × =________ |