五年级下册数学必背:分数小数互化

五年级下册数学必背:分数小数互化


简介:
熟记掌握: =0.5 =0.25 =0.75 =0.2 =0.4 =0.6 =0.8 =0.125 =0.375 =0.625 =0.875 ≈0.333 ≈0.667 ≈0.167 ≈0.833 ≈0.111 ≈0.222 ≈0.444 分母为20的分数化小数方法:分子乘5,小数点向左移动两位 =0.05 =0.15 =0.45 =0.55 =0.85 =0.95 分母为25的分数化小数方法:分子乘4,小数点向左移动两位