Question

вычислите удобным способом
1)0,25*3,65*0,4
2)62,9*1,8-62,7*1,8

Answer 1

0,25*3,65*0,4=(0,25*0,4)*3,65=0,1*3,65=0,365
62,9*1,8-62,7*1,8=1,8(62,9-62,7)=1,8*0,2=0,36

Answer 2

1)0.25*3.65*0.4=0.25*3.65*4*0.1=1*3.65*0.1=0.365
2)62.9*1.8-62.7*1.8=1.8(62.9-62.7)=1.8*0.2=0.36