A.1.34×2.56=3.4304 | B.134×2.56=343.04 |
C.0.134×2.56=34.304 | D.13.4×0.256=3.4304 |
A.首位 | B.末位 | C.小数点 |
A.24.56 | B.21.52 | C.25.12 |
A.6.71 | B.6.739 | C.6.755 |
A.5.55×55 | B.55.5×55.5 | C.5.55×5.55 |
A.a>b>c | B.b>a>c | C.c>b>a |
A.乘1000 | B.除以1000 | C.除以100 |
A.320×0.024 | B.2.4×0.32 | C.0.24×0.325 |
A.> | B.= | C.< |
A.乘法交换律 | B.乘法结合律 | C.乘法分配律 |