Question

(2.1/3*1.2/7)³*2/9 решите пожалуйста

Answer 1

(2/3)(1.2+1.7+2.1+2.9+3.3+3.8)  =(2/3)* ((1.2+3.8) +(1.7+ +3.3 )+(2.1+2.9 ))=(2/3)(5 +5+5) =     (2/3)*(3*5) =10.