Вопрос школьника по предмету Математика
А)-2,4*4х
Б)-0,6у*(-0,9)
В)-8а*2,5в
Г)-5х*(-0,8у)*0,4z
Д)9/28а*7/18*(-в)
Е)2 целые 5/8x*(-16/63у)
Ответ учителя по предмету Математика
А)-2,4*4х= -9,6х
Б)-0,6у*(-0,9)=0,54у
В)-8а*2,5в= -20ав
Г)-5х*(-0,8у)*0,4z= 1,6xyz
Д)9/28а*7/18*(-в)= — 1/8aв
Е)2 целые 5/8x*(-16/63у)= -2/3ху
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