(6 3/8-2 3/4)*(-4)+7/18*9 /-бробь. Created by белка8769. algebra-ru

-бробь...

белка8769 @белка8769

July 2022 1 3 Report

(6 3/8-2 3/4)*(-4)+7/18*9
/-бробь

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prettypushkova

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(6 3/8 - 2 3/4) * (- 4) + 7/18 * 9 = - 11

1) 6 3/8 - 2 3/4 = 6 3/8 - 2 6/8 = 5 11/8 - 2 6/8 = 3 5/8
2) 3 5/8 * (- 4) = 29/8 * (- 4) = - 29/2 = - 14 1/2
3) 7/18 * 9 = 7/2 = 3 1/2
4) - 14 1/2 + 3 1/2 = - 11

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