6кв+ (8кв+136)=1×(10кв+7кв)=2кв+(1000-9кв)=10×(3кв-1кв)=

Question

6кв+ (8кв+136)=
1×(10кв+7кв)=
2кв+(1000-9кв)=
10×(3кв-1кв)=

Answer 1

6кв+(8кв+136) = 36+(64+136)= 36+200 =236

1*(10кв +7 кв) =1*(100 + 49)=1*149= 149

2кв+(1000-9кв)= 4+(1000-81)= 4+919=923

10*(3кв - 1кв) =10*(9-1) = 10*8=80