题目内容
解比例
75:
|
|
|
|
(1)75:
75x=
|
x=
2 |
25 |
(2)
2 |
15 |
1 |
6 |
2 |
3 |
1 |
6 |
2 |
15 |
2 |
3 |
1 |
6 |
1 |
6 |
4 |
45 |
1 |
6 |
x=
8 |
15 |
(3)
44.8 |
8 |
x |
6 |
8x=44.8×6,
8x÷8=268.8÷8,
x=33.6;
(4)
1 |
8 |
2 |
3 |
1 |
6 |
1 |
8 |
2 |
3 |
1 |
6 |
1 |
8 |
1 |
8 |
1 |
9 |
1 |
8 |
x=
8 |
9 |
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75:=12:X | :=X: | = | :=:Χ |