Răspuns :
Explicație pas cu pas:
s) (8*9+s-5×8)-(30-5*2+5)=100:2:2
(72+s-40)-(30-10+5)=50:2
(72+s-40)-(20+5)=25
(72+s-40)-25=25
72+s-40=25+25
72+s-40=50
72+s=50+40
72+s=90
s=90-72
s=18
t) (36-5×6-t)+9×8-7×10=4×7÷7
(36-30-t)+72-70=4
(6-t)+2=4
6-t=4-2
6-t=2
t=6-2
t=4
Daca vrei, iti mai scriu si celelalte in comentarii.
Răspuns:
s)(72+s-40)-(30-10+5)=25(=)(32+s)-25=25/+25(=)32+s=50/-32(=)s=18
t)(36-30-t)+72-70=4(=)(6-t)+2=4/-2(=)6-t=2/-6(=)-t=-4/*(-1)(=)t=4
u)(49-36+u)-8-20=9(=)(13+u)-28=9/+28(=)13+u=37/-13(=)u=24
v)(v-25-16)+30-50=3(=)(v-41)-20=3/+20(=)v-41=23/+41(=)v=64