Question

MA PUTETI AJUTA????? Am o problema la mate. Se rezolva prin metoda comparatiei.

Answer 1

2m+5p=26    *3
6m+7p=46
6m+15p=78
8p=32
p =4
24+7p=46
7p=22
p=3lei si 33bani

Answer 2

6kgmere........15kgpere.......78lei
6kgmere.........7kgpere........46lei
8kgpere........32lei
aflam cate kg de pere sunt in plus
15-7=8
aflam cat costa8kg pere
78-46=32lei
aflam cat costa un kg de pere
32:8=4
aflam cat costa7kg de pere
7*4=28
aflam cat costa 6 kg de mere
46-28=18lei
aflam cat costa un kg de mere
18:6=3lei

6lei mere.......20lei pere......26lei
18lei mere.......28lei pere.....46lei