问题
解答题
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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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(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.