Question

REPEDE VA ROG DAU COROANA!!
a) (-27 +43) – {[(-30 + 24) – (-18 + 25)]-(-37 + 53)};
b) (-33 + 49) – {[(-42 + 50) – (-24 + 35)] – (-29 + 34)};
C) (-28 +41) + [9 - (-42 +51) + (17 – 25 + 33)];
d) (37 – 48) + [12-(-21 +33) + (43 – 37 – 11)];
e) (-35+(-21 – 7 + 24) - (15 – 27 +19) + 34] - (+73);
f) [-60+ (32-43)-(-24 +15) - (+33)] + (-34 +49).

Answer 1

Răspuns:

a) 16-[(-6-7)-16]=16-(-13-16)=16+29=45

b) 16-[(8-11)-5]=16-(-3-5)=16+8=24

c) 13+(9-9+25)=38

d) -11+(12-12-5)=-16

e) (-35-4-7+34)-73=-12-73=-85

f) (-60-11+9-33)+15=-95+15=-80