解方程:(510-400)m=[510×(1-4%)-(400-x)]×m×(1+10%).

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解方程:(510-400)m=[510×(1-4%)-(400-x)]×m×(1+10%).

解方程:(510-400)m=[510×(1-4%)-(400-x)]×m×(1+10%).
解方程:(510-400)m=[510×(1-4%)-(400-x)]×m×(1+10%).

解方程:(510-400)m=[510×(1-4%)-(400-x)]×m×(1+10%).
(510-400)m=[510×(1-4%)-(400-x)]×m×(1 10%).110m=[510×0.96-400 x]×m×1.1
110m=[489.6-400 x]×1.1m
110m=(89.6 x)×1.1m
110=(89.6 x)×1.1
两边同时除以1.1得
100=89.6 x
x=10.4

(510-400)m=[510×(1-4%)-(400-x)]×m×(1+10%).
110m=[510×0.96-400+x]×m×1.1
110m=[489.6-400+x]×1.1m
110m=(89.6+x)×1.1m
110m=98.56m+1.1mx
110m-98.56m=1.1mx
11.44m=1.1mx
x=12.584<...

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(510-400)m=[510×(1-4%)-(400-x)]×m×(1+10%).
110m=[510×0.96-400+x]×m×1.1
110m=[489.6-400+x]×1.1m
110m=(89.6+x)×1.1m
110m=98.56m+1.1mx
110m-98.56m=1.1mx
11.44m=1.1mx
x=12.584


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(510-400)m=[510×(1-4%)-(400-x)]×m×(1+10%)
110=(510*0.96-400+x)*1.1
100=489.6-400+x
100-89.6=x
x=10.4