小数乘小数的简便运算100道

Question

如题所述

Answer 1

关于小数乘小数的简便运算题目如下：

1、0.1×0.2=0.02；0.3×0.4=0.12；0.5×0.6=0.3；0.7×0.8=0.56；0.9×0.1=0.09；0.2×0.3=0.06；0.4×0.5=0.2；0.6×0.7=0.42；0.8×0.9=0.72；0.1×0.4=0.04；0.3×0.6=0.18；0.5×0.8=0.4；0.7×0.1=0.07；0.9×0.3=0.27；0.2×0.5=0.1。

2、0.4×0.7=0.28；0.6×0.9=0.54；0.8×0.2=0.16；0.1×0.6=0.06；0.3×0.8=0.24；0.5×0.1=0.05；0.9×0.5=0.45；0.3×0.7=0.21；0.6×0.2=0.12；0.4×0.6=0.24；0.8×0.4=0.32；0.2×0.9=0.18；0.1×0.3=0.03；0.7×0.6=0.42；0.5×0.2=0.1。

3、0.9×0.8=0.72；0.6×0.3=0.18；0.4×0.1=0.04；0.2×0.6=0.12；0.3×0.5=0.15；0.7×0.9=0.63；0.8×0.7=0.56；0.1×0.8=0.08；0.6×0.4=0.24；0.5×0.3=0.15；0.9×0.2=0.18；0.3×0.8=0.24；0.4×0.9=0.36；0.5×0.7=0.35；0.1×0.5=0.05。

4、0.6×0.1=0.06；0.2×0.4=0.08；0.7×0.5=0.35；0.8×0.3=0.24；0.9×0.6=0.54；0.1×0.7=0.07；0.3×0.2=0.06；0.5×0.9=0.45；0.6×0.8=0.48；0.4×0.3=0.12；0.7×0.6=0.42；0.9×0.5=0.45；0.2×0.1=0.02；0.8×0.4=0.32；0.1×0.9=0.09。

5、0.6×0.7=0.42；0.3×0.5=0.15；0.4×0.2=0.08；0.9×0.4=0.36；0.2×0.6=0.12；0.1×0.3=0.03；0.8×0.9=0.72；0.5×0.8=0.4；0.7×0.2=0.14；0.6×0.5=0.3；0.3×0.6=0.18；0.1×0.7=0.07；0.9×0.5=0.45；0.2×0.4=0.08；0.5×0.3=0.15。

6、0.7×0.9=0.63；0.4×0.1=0.04；0.6×0.2=0.12；0.8×0.3=0.24；0.2×0.9=0.18；0.7×0.6=0.42；0.3×0.5=0.15；0.4×0.2=0.08；0.9×0.4=0.36；0.2×0.6=0.12；0.1×0.3=0.03；0.8×0.9=0.72；0.5×0.8=0.4；0.7×0.2=0.14；0.6×0.5=0.3。

7、0.3×0.6=0.18；0.1×0.7=0.07；0.9×0.5=0.45；0.2×0.4=0.08；0.5×0.3=0.15；0.7×0.9=0.63；0.4×0.1=0.04；0.6×0.2=0.12；0.8×0.3=0.24；0.2×0.9=0.18。