-3/5+28/5.(43/56+5/24-21/63)

2 câu trả lời

-35+285.(4356+524-2163)

=-35+285.(4356+524-13)

=-35+285.(4142-1442)

=-35+285.914

=-35+185

=-3

-3/5+28/5.(43/56+5/24-21/63)

=>-3/5+28/5.(43/56+5/24-1/3)

=>-3/5+28/5.9/14

=>-3/5+18/5

=>3

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