×2= | + = | ×15= | × = |
+ - + = | - = | 8÷ = | 0× = |
(12+ )× = | × ÷ × = |
解: ×2=1 + =1 ×15=6 × =![]() + - + = - = 8÷ =12 0× =0(12+ )× = × ÷ × =![]() |
分析:根据分数的四则混合运算方法进行计算即可.
点评:此题主要考查的是分数的四则混合运算.
×2=
=
×15=
×
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-
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