8.2
x+45.3-20.7=32.8
1个回答
相关问题
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X-20%X-7-(20%X+7-2)=X/3 X=45 “/”表示?
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数学题(16x-13)/(4x-3)+(40x-43)/(8x-9)=(32x-30)/(8x-7)+(20x-24)/
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(32-7.8-x)除1.2=20用方程怎么解
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8X+32=12X-20
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2 23 - 1 =8=8X12 25 -3 =16 =8X22 27 -5 =24=8X32 29 - 7 =32=8
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(45.9-32.7)÷8÷0.125 简便计算
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4(x一3.45)=7.8(解方程)
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