№ 125. (4). СРОЧНО !!!! Заранее спасибо !!. Created by kat198484. algebra-ru

№ 125. (4). СРОЧНО !!!! Заранее спасибо !!...

kat198484 @kat198484

August 2021 1 11 Report

№ 125. (4). СРОЧНО !!!! Заранее спасибо !!

Answers & Comments

zhenyaM2002

Verified answer

(6,3 : ( - 9/20 ) - 2,6 : ( - 1/20 )) * (-4/19) - 0,6 : (-0,36) =
= (6,3 : (-0,45) - 2,6 : (-0,05)) * (- 4/19 ) - 6/10 * ( -100/36) =
= (-14 - (-52)) * (-4/19 ) + 5/3 =
= ( -14+52) * (- 4/19) + 1 2/3 =
= 38 * (-4/19) + 1 2/3 =
= -(38 * 4) / (1*19) + 1 2/3 =
= -8 + 1 2/3 = - 6 1/3

по действиям:
1) 6,3 : (-9/20) = 6,3 : (- 45/100) = 6,3 : 0,45= 630: 45 = -14
2) 2,6 : (-1/20) = 2,6 : 0,05 = 260:5= -52
3) -14 - (-52) = -14 +52 = 38
4) 38 * (-4/19) = 38/1 * (-4/19) = - (2*4)/(1*1) =-8
5) 0,6 : (-0,36) = 6/10 : ( - 36/100) = 6/10 * (-100/36) =
=-(1*10)/(1*6) = -10/6 = -5/3 = - 1 2/3
6) -8 - (-1 2/3) = -8 + 1 2/3 = -6 1/3

2 votes Thanks 1

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