Răspuns :
1.10x3=30
3x8=24
30-24=6
6x3=18
9x3=27
27-18=9 (cu 9 trebuie mărit)
2.3x3=9 prune
9+3=12 nuci
9-3=6 piersici
3+9+12+6=30
50-30=20 caise
3x8=24
30-24=6
6x3=18
9x3=27
27-18=9 (cu 9 trebuie mărit)
2.3x3=9 prune
9+3=12 nuci
9-3=6 piersici
3+9+12+6=30
50-30=20 caise
[(10*3)-(3*8)]*3=
(30-24)*3=
6*3=18
18+x=9*3
18+x=27
x=27-18
x=9(cu 9 trebuie marit numarul 18)
problema 2
50 fructe
3=mere
3*3=9 prune
9+3=12 nuci
9-3=6 piersici
rest=50-(3+9+12+6)=50-30=20 caise
(30-24)*3=
6*3=18
18+x=9*3
18+x=27
x=27-18
x=9(cu 9 trebuie marit numarul 18)
problema 2
50 fructe
3=mere
3*3=9 prune
9+3=12 nuci
9-3=6 piersici
rest=50-(3+9+12+6)=50-30=20 caise