Question

Ajutatima va rog dau coroanaa in poza este problema ex 1 si 2

Answer 1

1)

A= (+9)×(+7)=

=>9×7

=>63

B=(+6)×(+13)=

=>78

C=(-14)×(+4)=

=>-(14×4)=

=>-56

E =(-8)×(+12)=

=>-(8×12)=

=>-96

F=(-16)×(-5)=

=>16×5=

=>80

G=(-4)×(-32)=

=>4×32=

=>128

I=(-4)×(-4)=

=>4×4=

=>16

J=(+13)×(+13)=

=>169

K=(-13)×(-13)=

=>13×13=

=>169

2) A = 5 × ( +3)=

=>5×3=15

B= (+11)×4=

=>44

C=7×5=

=>35

E=15×(-4)=

=>-(15×4)=

=>-60

F = 2×(-9)=

=>-(2×9)=

=>-18

G=-14×6=

=>-(14×6)=

=>-84

I=-25× (-2)=

=>25×2=

=>50

J=134×1=

=>134

K=325×(-1)=

=>-(325×1)=

=>-325

M=2000×0=

=>0