July 2022 2 7 Report
Раскройте скобки и приведите подобные слагаемые:
А) (1,2а+2,4b)-(4,3a+b)
Б)-1 3/7(1,4-0,7y)+0,6(1 2/3-5y)
Числа с пробелом : -1 3/7- одна целая , три седьмых и Т.П.
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