Question

5 Calculati:
a 44+2.{-13 +2·[54: (14 - 23) - (-8):2]} - 11.(-3);
b 114 -91 +51-31-127 - 181.
Rapid va roggg

Answer 1

a)

44+2×{-13 +2×[54: (14 - 23) - (-8):2]} - 11×(-3)=

44+2×{-13 +2×[54: (-9) - (-4)]} +33=

44+2×[-13 +2×(-6 +4)] +33=

44+2×[-13 +2×(-2)] +33=

44+2×(-13 -4) +33=

44+2×(-17) +33=

44-34 +33=

10+33=

=43