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EPHTAMINA890

25×4=100

(-3)×(-9)=27

10×(-1)=-10

(-10)×1=-10

20×(-5)=-100

(-9)×(-9)=81

(-12)×12=-144

12×(-2)=-24

11×3=33

(-7)×1=-7
a)25x4=100. f)-9x-9=81
b)-3x-9=27. g)-12x12=144
c)10x-1=-10. h)2x-12=-24
d)-10x1=-10. i)11x3=33
e)20x-5=-100. j)1x-7=-7

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