решите уравнение г )78 + (84-m)-13 = 92 д)69 -(97-(28+n)=45. Created by Tiran124. matematika-ru

решите уравнение г )78 + (84-m)-13 = 92 д)69 -(97-(28+n)=45...

July 2022 2 14 Report

решите уравнение г )78 + (84-m)-13 = 92
д)69 -(97-(28+n)=45

DChernoivanova Г) 78 + 84 - m - 13 = 92
- m = 92 - 78 - 84 + 13
- m = - 57
m = 57
Ответ: 57
д) 69 - (97 - 28 - n) = 45
69 - 97 + 28 + n = 45
n = 45 - 69 + 97 - 28
n = 45
Ответ: 45

2 votes Thanks 1

sedinalana 1
84-m=92-65
84-m=27
m=84-27
m=57
2
97-28-n=69-45
69-n=24
n=69-24
n=45

0 votes Thanks 0

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