1
a-3=0
a=3
b+1=0
b=-1
2x(-1)-3+ m/2 = 1/2(-1) -3+m +1
-5+ m/2 = - 5/2 +m
m/2= - 5/2
m= -5
2
3大4小=120 2大3小=84 那么1大1小=120-84=36罐
设:1大件装x罐,那么1小件就是装36-x罐
2x+3(36-x)=84
解得:x=24
36-24=12(罐)
答:每大件装24罐,每小件装12罐.
1
a-3=0
a=3
b+1=0
b=-1
2x(-1)-3+ m/2 = 1/2(-1) -3+m +1
-5+ m/2 = - 5/2 +m
m/2= - 5/2
m= -5
2
3大4小=120 2大3小=84 那么1大1小=120-84=36罐
设:1大件装x罐,那么1小件就是装36-x罐
2x+3(36-x)=84
解得:x=24
36-24=12(罐)
答:每大件装24罐,每小件装12罐.