A.3.6×6.25 | B.3.6×0.625 | C.0.36×625 | D.360×6.25 |
A.8×2 | B.7×2 | C.7×3 | D.8×3 |
A. | B. | C.10倍 |
A.乘法结合律 | B.乘法分配律 | C.乘法交换律 |
A.< | B.= | C.> |
A.大 | B.小 | C.不一定 |
A.3.4×2.8 | B.3.4×2.18 | C.3.4×0.218 |
A.85×0.95 | B.0.01×9.01 | C.9.6×0.11 |
A.86.5 | B.865 | C.8650 |
A.2.5×4.4=2.5×4+1.1 | B.2.5×4.4=2.5×4×0.4 |
C.2.5×4.4=2.5×(4+0.4) | D.2.5×4.4=2.5×4 |