Question

1. Calculate i
2 ( 12 x 15) + (35:5)x 100-10
b) (120 - 3x10): 9+10=
e) (180-12×10) x 12
1) (50 + 12 x3) - (99-90).​

Answer 1

Răspuns:

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(12×15)+(35:5)×100-10

=180+(35:5)×100-10

=180+7×100-10

=180+700-10

=880-10

=870

(129-3×10):9+10

=(129-30):9+10

=99:9+10

=11+10

=21

(180-12×10)×12

=(180-129)×12

=51×12

=612

(50+12×3)-(99-90)

=(50+36)-9

=86-9

=77