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求解x/340-x/5100=0.715L/5100-L/5100=0.714L/5100=0.714L=3570L=255
题目详情
求解x/340-x/5100=0.7
15L/5100-L/5100=0.7
14L/5100=0.7
14L=3570
L=255
15L/5100-L/5100=0.7
14L/5100=0.7
14L=3570
L=255
▼优质解答
答案和解析
通分
15x/5100-x/5100=0.7
14x/5100=0.7
x=0.7×5100÷14
x=255
15x/5100-x/5100=0.7
14x/5100=0.7
x=0.7×5100÷14
x=255
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