题目内容
解比例:
X:
|
|
| 0.4:8=X:
|
x:
=
x=
×
x=
;
:X=40
40x=
x=
;
=
1.5x=3.2×12
x=
;
0.4:8=X:
8x=0.4×
x=0.0125.
| 3 |
| 4 |
| 5 |
| 8 |
x=
| 3 |
| 4 |
| 5 |
| 8 |
x=
| 15 |
| 32 |
| 25 |
| 6 |
40x=
| 25 |
| 6 |
x=
| 5 |
| 48 |
| 3.2 |
| 1.5 |
| X |
| 12 |
1.5x=3.2×12
x=
| 128 |
| 5 |
0.4:8=X:
| 1 |
| 4 |
8x=0.4×
| 1 |
| 4 |
x=0.0125.
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