Выполните действия используя сочетательное свойство умножения. (4*5)*2 (14*12)*5 (10*10)*7 (8*4)*25
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(4*5)*2=5*2*4=40 (8*4)*25=25*4*8=800 (14*12)*5 = 12*5*14=840 (10*10)*7=10*7*10=700Verified answer
(4*5)*2=(5*2)*4=10*4=40(10*10)*7=(10*7)*10=700
(8*4)*25=(25*4)*8=800
(14*12)*5=(12*5)*14=840