问题
解答题
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答案
(1)x-1.75=3.4,
x-1.75+1.75=3.4+1.75,
x=5.15;
(2)9x=2.7,
9x÷9=2.7÷9,
x=0.3;
(3)x+2.08=4.25,
x+2.08-2.08=4.25-2.08,
x=2.17.
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(1)x-1.75=3.4,
x-1.75+1.75=3.4+1.75,
x=5.15;
(2)9x=2.7,
9x÷9=2.7÷9,
x=0.3;
(3)x+2.08=4.25,
x+2.08-2.08=4.25-2.08,
x=2.17.