а ) 3/8 * 2 2/7 * 4 2/3 б ) (1/3)2 * 8,1 в) 7 6/7 * 1 6/11 + 3 1/7 * 3/11. Created by Маргo1407. matematika-ru

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Маргo1407 @Маргo1407

July 2022 1 1 Report

а ) 3/8 * 2 2/7 * 4 2/3
б ) (1/3)2 * 8,1
в) 7 6/7 * 1 6/11 + 3 1/7 * 3/11

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ndusha

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А)3/8*2 2/7*4 2/3=3/8*16/7*14/3=3/1*2/7*14/3=1/1*2/7*14/1=1/1*2/1*2/1=4
б ) (1/3)2 * 8,1=2/3*8,1=2*2,7=5,4
в) 7 6/7*1 6/11+3 1/7*3/11=55/7*17/11+22/7*3/11=5/7*17/1+2/7*3/1=85/7+6/7=
=91/7=13

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