题目内容
| 求未知数x.(得数保留一位小数) 35.16-x=27.36 | 1.5×x=3.75 | 375.96÷x=16. |
(1)35.16-x=27.36,
35.16-x+x=27.36+x,
27.36+x=35.16,
27.36+x-27.36=35.16-27.36,
x=7.8;
(2)1.5×x=3.75,
1.5×x÷1.5=3.75÷1.5,
x=2.5;
(3)375.96÷x=16,
375.96÷x×x=16×x,
16×x=375.96,
16×x÷16=375.96÷16,
x=23.4975.
35.16-x+x=27.36+x,
27.36+x=35.16,
27.36+x-27.36=35.16-27.36,
x=7.8;
(2)1.5×x=3.75,
1.5×x÷1.5=3.75÷1.5,
x=2.5;
(3)375.96÷x=16,
375.96÷x×x=16×x,
16×x=375.96,
16×x÷16=375.96÷16,
x=23.4975.
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