Question

Efectuati calculele: a)1,5x0,4+6,5:0,5-1,1 la puterea a 2; b)2,25:1,5-1,07+12,4:0,2; c)1,21 x (1,5+1,2)la puterea a 2 :1,1.Ajutati-ma va rog frumos e pentru miercuri plz.?!!!

Answer 1

a) 0,6+13-1,21=13,6-1,21=12,39
b) 1,5-1,07+62=0,43+62=62,43
c) 1,21×2,7^2:1,1=1,21×7,29:1,1=8,8209:1,1=8,019