7×8+6×7-3×7=77 (prima)
9+5×6-25:5=34 (a doua)
7×6-12+7×10=100 (a treia)
15-15:3+2×2×5=30 (a patra)
400+5×8+72:9-48=400 (a cincea)
300-64÷8+6×6-28=300 (a sasea)
a)2:2+2×2-2=3
3+3×3+3÷3-3=10
4×4-4÷4+4=19
b)5-5÷5+5×5=29
6÷6+6×6-6=31
7-7÷7+7×7=55
c)8-8÷8+8×8=71
9÷9+9×9-9=73
10-10÷10+10×10=109
cu placere
sper ca te am ajutat=))))
