Question

Efectuați: 4,9^2-1,2×{11+1,1×[6,5+2×(0,45-0,4)]} Urgent!

Answer 1

Răspuns:

Explicație pas cu pas:

4,9^2-1,2×{11+1,1×[6,5+2×(0,45-0,4)]}=24,01-1,2×[11+1,1×(6,5+2×0,05)]=

=24,01-1,2×[11+1,1×(6,5+0,1)]=24,01-1,2×(11+1,1×6,6)=24,01-1,2×(11+7,26)=

=24,01-1,2×18,26=24,01-21,912=2,098≅2,1