10. (a+b+c):c➡️(5+4+1):2=10:2=5
a×b+c×d➡️5×4+2×1=22
(a+c)×(b+d)➡️(5+3)×(4+1)=40
a×b-c×d➡️5×4-2×1=18
(a+b):(c+d)➡️5+4:2+1=8(5+2+1)
(a+c+d):b➡️(5+2+1):4=2
11.(a+b+c):2➡️(6+5+3):2=14:2=7
(a×b):(c×d)➡️(6×5):(3×2)=5(30:6)
(a+d):(b+c)➡️(6+2):(5+3)=1(8:8)
(a-c):(b-d)➡️(6-3):(5-2)=1(3:3)
12.a=(81-57):8+10-72:9=5
b=7×6×0+10+4×10+0:9=50
50×5=250
Special că te-am ajutat!♥️
