Question

Ex 17 ....... dau coroana

Answer 1

Răspuns:

a) - 8+85+8-16+15-84=77-8-69=69-69=0

b) - 25+31-65+49+20=6-16+20=-10+20=10

c)+58-14-66+12+30=44-54+30= - 10+30=20

d) - 121+99-9-50+41=22-59+41= - 37+41=4

e)146-247+60-146-13= - 101-86-13= - 187-13= - 200

f)-182-47+229= - 229+229=0