Question

Calculează:

{[(15x10-98):2+76]x110-220}:500=

{[(5x10+178)x15+900]:60}:36=

Va rog!!!

Answer 1

{[(15x10-98):2+76]x110-220}:500=
={[(150-98):2+76]×110-220}:500=
=[(52:2+76)×110-220]:500=
=[(26+76)×110-220]:500=
=(102×110-220):500=
=(11220-220):500=
=11000:500=
=22







{[(5x10+178)x15+900]:60}:36=
={[(50+178)×15+900]:60}:36=
=[(228×15+900):60]:36=
=[(3420+900):60]:36=
=(4320:60):36=
=72:36=
=2

Answer 2

{[(15×10-98):2+76]×110-220}:500=22
1)15×10=150
2)150-98=52
3)52:2=26
4)26+76=102
5)102×110=11220
6)11220-220=11000
7)11000:500=22

{[(5×10+178)×15+900]:60}:36=2
1)5×10=50
2)50+178=228
3)228×15=3420
4)3420+900=4320
5)4320:60=72
6)72:36=2

sper că te-am ajutat