Question

Calculați următoarele exercitii:
a) 3-7-2;
b) -16+4-30-15;
c) -7+2+13-5+1-8;
d)3-8-2+3+7-6-4+3.​

Answer 1

Răspuns:

a) 3-7-2 = -4-2=-6

b) -16+4-30-15=-12-30-15=-42-15=-57

c) -7+2+13-5+1-8= 8-5+1-8=3+1-8=4-8=-4

d)3-8-2+3+7-6-4+3.=-7+10-10+3=-7+3=-4