Question

afla termeni necunoscuti :a+34=62,,,,b- 68=19 ,,28+c=91,,45-d=26,,,,x-(23+48)=18,,y-(78-64)=4,,,, m+(43-27)=52,,,,n-(56-25)=59,,,,63-49+f=71,,,,,,,,,91-36-g=27,,,,,t-(28-9)=16,,,,r-37=26.

Answer 1

a=62-34=28
b=68+19=87
c=91-28=63
d=45-26=19
x=18+71=89
y=4+14=18
m=52-16=36
n=59+31-90
t=16+19=35
r=37+26=63