Найди значение выражения. 0,5 + ( 7/8 - 5/24 ). Created by vikalyansukharotmxzq. matematika-ru

24 )...

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1)7/8-5/24=(7 × 3 - 5 × 1)/24 = 21/24 - 5/24 = 16/24 = 2/3
2)0,5+2/3=5/10 + 2/3 = 1/2 + 2/3 =(1 × 3 + 2 × 2)/6 = 3/6 + 4/6 = 7/6 = 1 1/6
ответ : 1 1/6

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helena312

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0.5+(7/8-5/24)=0.5+(21/24-5/24)=1/2+16/24=1/2+2/3=3/6+4/6=7/6=1.1/6

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