|
(60+15)÷x=
|
(1+
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| ||||||||||||||
| 12×(47+x)=1152 | x+30%x=52 |
|
x-
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| 5 |
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| 15 |
| 15 |
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| 2 |
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| 16 |
| 15 |
| 1.8 |
| x |
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| 6 |
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| 解下列方程. 11x-9x=2.3 |
13.6+2x=8×2.5 | (3x-4)÷5=4 |
| 8x-0.5x=15 | 4x÷8=125 | 42x+25x=134. |
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