2 2/5-(1/4+7/10); 3-( 1/6+2/3); 7-( 2 3/4+7/12);. Created by leiman1975. matematika-ru

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leiman1975 @leiman1975

July 2022 1 8 Report

2 2/5-(1/4+7/10); 3-( 1/6+2/3); 7-( 2 3/4+7/12);

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GlebGor1998

Verified answer

2 2/5 - (1/4 + 7/10) = 12/5 - (5/20 + 14/20) = 12/5 - 19/20 = 48/20 - 19/20 = 29/20 = 1 9/20
3 - (1/6 + 2/3) = 3 - (1/6 + 4/6) = 3 - 5/6 = 2 1/6
7 - (2 3/4 + 7/12) = 7 - (2 9/12 + 7/12) = 7 - (2 16/12) = 7 - 3 4/12 = 3 8/12 = 3 2/3

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