<span>88:22*11-18 = 26
1)88:22=4
2)4*11=44
3) 44-18=26
92-48:12*16 = 28
1)48:12 = 4
2)4*16=64
3)92-64=28
24+96:32*12 = 60
1)96:32 = 3
2)3*12 = 36
3)24+36 = 60
70+5*15:3 = 95
1) 5*15= 75
2) 75:3 = 25
3) 70+25 = 95
39*2:78+99 = 100
1) 39*2 = 78
2) 78:78 = 1
3) 1+99 = 100
</span>
50? ?.............
............
P=2(a+b)
ширина= 6/4=1,5
p= 2(6+1,5)
p=2*7,5
p=15см
<span>12*6=72
6*8=48 карандашей продали</span>