Решите урАвнение 8 (12т27)+5 (31-17т)=448. Created by anastasiakytyz. matematika-ru

Решите урАвнение 8 (12т27)+5 (31-17т)=448...

July 2022 1 11 Report

Решите урАвнение
8 (12т27)+5 (31-17т)=448

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irка010708 8×(12т-27)+5 (31-17т)=448
96т -216+155-85т=448
96т-85т=448+216-155
11т=509
т=509 :11
т=46,3
8×(12×46,3)-8×27+5×31-5×(17×46,3)=448
8×55 5,6 - 216 +155-5×787,1=448
4444,8-216+155-3935,5=448
448=448

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