(6 3/4 -2,9)×4+(7 5/8-3,25):7/8. Created by malika51. matematika-ru

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malika51 @malika51

September 2021 1 14 Report

(6 3/4 -2,9)×4+(7 5/8-3,25):7/8

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prettypushkova

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(6 3/4 - 2,9) * 4 + (7 5/8 - 3,25) : 7/8 = 20,4

1) 6 3/4 - 2,9 = 6,75 - 2,9 = 3,85
2) 7 5/8 - 3,25 = 7 5/8 - 3 1/4 = 7 5/8 - 3 2/8 = 4 3/8
3) 3,85 * 4 = 15,4
4) 4 3/8 : 7/8 = 35/8 * 8/7 = 35/7 = 5
5) 15,4 + 5 = 20,4

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