Решите пожалуйста20 баллов. Created by MiNevis. matematika-ru

Решите пожалуйста20 баллов...

July 2022 1 1 Report

Решите пожалуйста
20 баллов

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Ksenia8885690570 4) (1 9/16 • 3 1/5 + 6 2/3 - 9 : 2 2/5) : (17 7/12 - 6 1/3) = (25/16 • 16/5 + 20/3 - 9 : 12/5) : (211/12 - 19/3) = (5 + 20/3 - 9 • 5/12) :45/4 = (5 + 20/3 - 9 • 5/12) • 4/45 = 95/12 • 4/45 = 19/3 • 1/9 = 19/27

5) (5,07 : 1/20 - 23,4 : 13/50) • 1/4 +0,074 • 1/2 = (507/100 • 20 - 117/5 • 50/13) • 1/4 + 37/500 • 1/2 = (507/5 - 90) • 1/4 + 37/1000 = 57/5 • 1/4 + 37/1000 = 2887/1000 = 2,887

6) (-31,5 : 63,4 -23,4 : (-11,7)) • (-2,4) = -0,5 - 117/5 : (- 117/10) • (- 12/5) = - 1/2 - 117/5 • 10/117 • 12/5 = - 1/2 - 2 • 12/5 = - 1/2 - 24/5 = - 53/10 = -5,3

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1) 3 |x| - 1 = 02) 2 |x| + 3 = 03) |3x + 2| - 4 = 04) |2x - 1| + 7 = 8...

1)|x| = 32)|x -3| = 23)|x - 4| = 0...

1) |x + 3| = -42) |x| + 1 = 73)|x| - 2 = -3...

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