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(+7)x(-2)
-14
B)
(+49)x(+7)
343
C)
(-2)x(+2)
-4
D)
(+6)x(-15)
-90
E)
(+3)x(-7)
-21
F)
(+5)x(+8)
40
G)
(-9)x(+5)
-45
H)
(-5)x(-4)
20
I)
(+12)x(+3)
36