1)L = lada , P= piersici
L+P=23
L+(2P:3)=16
P:3=7
P=7x3
P=21 kg
L=2 kg
2) (10x4):5=2xa
40:5=2xa
8=2xa
a=8:2
a=4
3) a+s+m=100
a+s+a=80
a)100-80=20 m
b)100+80:2=100+40=140
c) 100m+100m=200m
4) 4x6=24 creioane albe
6x6=36 creioane rosii
5x8=40 creioane albastre
24+36+40=100 creioane in total
100:10=10 cutii.