问题 解答题
x+63=248x-12.7=2.79x=6.3x÷5=0.016.
答案

(1)x+63=248,

x+63-63=248-63,

x=185;

(2)x-12.7=2.7,

x-12.7+12.7=2.7+12.7,

x=15.4;

(3)9x=6.3,

9x÷9=6.3÷9,

x=0.7;

(4)x÷5=0.016,

x÷5×5=0.016×5,

x=0.08.

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