题目内容
|
| 49:(5+x)=14:2 | ||||||||
| x:1.6=12:
|
(1)9x=9.6×0.6,
9x=5.76,
x=5.76÷9,
x=0.64;
(2)0.7x=35×21
0.7x=735
x=735÷0.7
x=1050;
(3)(5+x)×14=49×2
70+14x=98
14x=98-70
14x=28
x=28÷14
x=2;
(4)
:
=x:0.4
x=
×0.4
x=
x=
÷
x=
;
(5)
x=1.6×12
x=19.2
x=19.2÷
x=24.
9x=5.76,
x=5.76÷9,
x=0.64;
(2)0.7x=35×21
0.7x=735
x=735÷0.7
x=1050;
(3)(5+x)×14=49×2
70+14x=98
14x=98-70
14x=28
x=28÷14
x=2;
(4)
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| 1 |
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x=
| 1 |
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x=
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| 9 |
(5)
| 4 |
| 5 |
| 4 |
| 5 |
x=19.2÷
| 4 |
| 5 |
x=24.
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