91.2-(x-19.35)=43求x
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91.2-(x-19.35)=43求x91.2-(x-19.35)=43求x91.2-(x-19.35)=43求x91.2-(x-19.35)=4391.2+19.35-x=43110.55-x=43
91.2-(x-19.35)=43求x
91.2-(x-19.35)=43求x
91.2-(x-19.35)=43求x
91.2-(x-19.35)=43
91.2 +19.35 -x=43
110.55-x=43
x=110.55-43
x=67.55
91.2-(x-19.35)=43
91.2 -19.35 -x=43
71.85-x=43
71.85-x+71.85=43+71.85
x=114.85
91.2-(x-19.35)=43求x
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