题目内容
| 求未知数X的值. ①7X+0.32=7.6 | ②
|
①7X+0.32=7.6,
7X+0.32-0.32=7.6-0.32,
7X=7.28,
7X÷7=7.28÷7,
X=1.04;
②
=
,
40x=5×24,
40x=120,
40x÷40=120÷40,
x=3.
7X+0.32-0.32=7.6-0.32,
7X=7.28,
7X÷7=7.28÷7,
X=1.04;
②
| 5 |
| x |
| 40 |
| 24 |
40x=5×24,
40x=120,
40x÷40=120÷40,
x=3.
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