Question

Spunetimi va rog exercitiul asta dau coroana 12×{110-10×[9×8-9×(15-8)]}

Answer 1

12x{110-10x[9x8-9x(15-8)]} =
= 12x[110-10x(72-9x7)] =
= 12x[110-10x(72-63)] =
= 12x(110-10x9) =
= 12x(110-90) =
= 12x20 =
= 240

Sper ca te-am ajutat.

Answer 2

1)15-8=7
2)9x9=72
3)9x7=63
4)72-63=9
5)10x9=90
6)110-90=20
7)12x20=240
gata