Question

Вычисли удобным способом
90 * ( 2 * 5 ) = 150 * ( 2 * 9 ) = 2500 * ( 4 * 3 ) = 50 * ( 4 * 7 ) = 47 * ( 25 * 4 ) = 250 * ( 8 * 9 ) = 50 * ( 2 * 19 ) =
25 * ( 8 * 41 ) =

Answer 1

(90*2)*5=500 ,(150*2)*9 =2700, (2500*3)*4=30000,(50*4)*7=1400,(47*4)*25=4700,(250*8)*9=18000,(50*2)*19=1900,(25*41)*8=8200