题目内容
|
8:30=24:X |
| ||||||||||
|
6.5:x=3.25:4 |
|
(1)
=
,
14x=0.7×5,
14x÷14=3.5÷14,
x=
;
(2)8:30=24:X,
8x=30×24,
8x÷8=720÷8,
x=90;
(3)
:
=X:
,
x=
×
,
x÷
=
÷
,
x=
;
(4)
=
,
40x=24×5,
40x÷40=120÷40,
x=3;
(5)6.5:x=3.25:4,
3.25x=6.5×4,
3.25x÷3.25=26÷3.25,
x=8;
(6)
:
=X:9,
x=
×9,
x÷
=6÷
,
x=
.
| 0.7 |
| x |
| 14 |
| 5 |
14x=0.7×5,
14x÷14=3.5÷14,
x=
| 1 |
| 4 |
(2)8:30=24:X,
8x=30×24,
8x÷8=720÷8,
x=90;
(3)
| 3 |
| 5 |
| 6 |
| 7 |
| 5 |
| 4 |
| 6 |
| 7 |
| 3 |
| 5 |
| 5 |
| 4 |
| 6 |
| 7 |
| 6 |
| 7 |
| 3 |
| 4 |
| 6 |
| 7 |
x=
| 7 |
| 8 |
(4)
| 40 |
| 24 |
| 5 |
| x |
40x=24×5,
40x÷40=120÷40,
x=3;
(5)6.5:x=3.25:4,
3.25x=6.5×4,
3.25x÷3.25=26÷3.25,
x=8;
(6)
| 2 |
| 3 |
| 5 |
| 6 |
| 5 |
| 6 |
| 2 |
| 3 |
| 5 |
| 6 |
| 5 |
| 6 |
| 5 |
| 6 |
x=
| 36 |
| 5 |
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