Question

s) (8×9+s-5×8)-(30-5×2+5)=100:2:2
t) (36-5×6-t)+9×8-7×10=4×7:7
u) (7×7-6×6+u)-24:3-2×10=81:9
v) (v-5×5-2×8)+6×5-5×10=6:2
Dau ​coroana!Va roggg din suflett!​

Answer 1

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.

Answer 2

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