Question

va rog
am nevoie urgent
dau coroana

Answer 1

Răspuns:

a. =27-12=15

b.=-3

c.=3

d=-1+8=7

e.=-10

f.=-1+8-9+10-11=7-9+10-11=-2+10-11=8-11=-3

g.=-1+8=7

h=-2-16=-18

i.-2+100-90=98-90=8

j.-9-10-6-5=-19-6-5=-25-5=-30

Answer 2

a. 12+15 - 12=27-12=15

b.12-15= - 3

c. 15-12=3

d.7-8+8= - 1+8=7

e.-1-2-3-4= - 10

f.4-5+8-9+10-11=-3

g.6-7+8=7

h.12-14-16=-18

i.124-126+100-90=8

j.-4-5-10-6-5=-9-10-6-5=-25-5=-30