问题
解答题
解方程:
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答案
(1)
x=24,1 5
x×5=24×5,1 5
x=120;
(2)12×(x+2.1)=36,
12×(x+2.1)÷12=36÷12,
x+2.1-2.1=3-2.1,
x=0.9.
解方程:
|
(1)
x=24,1 5
x×5=24×5,1 5
x=120;
(2)12×(x+2.1)=36,
12×(x+2.1)÷12=36÷12,
x+2.1-2.1=3-2.1,
x=0.9.