题目内容
解方程.
(1)9.6+2x=16
(2)118:x=
:
.
(1)9.6+2x=16
(2)118:x=
1 |
3 |
1 |
8 |
(1)9.6+2x=16,
9.6+2x-9.6=16-9.6,
2x=6.4,
2x÷2=6.4÷2,
x=3.2;
(2)118:x=
:
,
x=118×
,
x=
,
x×3=
×3,
x=
.
9.6+2x-9.6=16-9.6,
2x=6.4,
2x÷2=6.4÷2,
x=3.2;
(2)118:x=
1 |
3 |
1 |
8 |
1 |
3 |
1 |
8 |
1 |
3 |
59 |
4 |
1 |
3 |
59 |
4 |
x=
177 |
4 |
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