÷13= | ×9= | ÷ = |
- ×0= | + = | 6÷ = |
- = | × = | × = |
0÷ = | +16= | ÷ = |
解:
÷13=![]() | ×9=6 | ÷ =![]() |
- ×0=![]() | + =![]() | 6÷ =![]() |
- =![]() | × =![]() | × =![]() |
0÷ =0 | +16=16![]() | ÷ = . |
分析:(1)(3)(6)把除法改为乘法,约分即可;(2)(8)约分即可;(4)运用“0乘任何数都得0”先算
×0,再算减法;(5)把分子相加减,分母不变;(7)通分计算;(9)把带分数化为假分数,约分即可;(10)0除以任何数都得0;(11)16作为带分数的整数部分,
作为分数部分;(12)把除法改为乘法,计算即可.点评:此题考查了分数的运算:约分、通分、0除以任何数都得0、0乘任何数都得0等知识.
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