September 2021 0 12 Report
Упростить выражение /-Это дробь 1).-2/5(15а+1/2b)+1/5b= 2).4 целых 2/5(3/11-а)-1 целая 1/5= 3).-1/9(3b-9)+1/3b= 4).-2 целых 3/8(4 с+8/19)+9 целых 1/2 с=
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