Question

Calculați :(0,5+0,1 la puterea 3):0,3+2,1•0,4

Answer 1

0,5=5/10=>1/2

0,1=1/10=>1/10

0.3=>3/10

2,1=>21/10

0.4=>4/10

(1/2+1/10)³:3/10+21/10×4/10

=(5/10+1/10)³:3/10+21/10×4/10

=(6/10)³:3/10+21/10×4/10

=216/1000:3/10+21/10×4/10

=216/1000:10/3+84/100

=72/100+84/100

=156/100=1,56