Question

4. Efectuează: 2 x [90 : 2 + (120 : 4 – 20)] x 10.​

Answer 1

Explicație pas cu pas:

2×[90÷2+(120÷4-20)]×10=

=2×[45+(30-20)]×10=

=2×(45+10)×10=

=2×55×10=

=110×10=

=1100

Answer 2

Răspuns:

2×[90:2+(120:4-20)]×10

=2×[90:2+(30-20)]×10

=2×(90:2+10)×10

=2×(45+10)×10

=2×55×10

=110×10

=1 100