x÷2.4+0.1=4.9怎么解方程四年级? 什么除以2.4+0.1等于4.9?
\u2179\u00f72.4+O.1=4.9\u600e\u6837\u89e3\u65b9\u7a0b\uff1fx\u00f72.4\uff1d4.9\uff0d0.1
x\u00f72.4\uff1d4.8
x\uff1d11.52
X÷2.4=4.9-0.1
X÷2.4=4.8
X=4.8×2.4
X=11.52
所以原方程的解为X=11.52
先利用加分中加数与和的关系,再用乘法中积与乘数的关系解题
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