a) (-40)÷ (+8) = b) (-36) (-9)=
c) (-4) ÷ ( ) = +1 d) (-9) ÷ ( )= -3
c) (-4) ÷ ( ) = +1 d) (-9) ÷ ( )= -3
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a) (-40)/8=x
-(40/8)=x
-5=x
b) (-36)(-9)=y
+(36)(9)=y
324=y
c) (-4)/x=1
(-4)(1)=x
-4=x
d) (-9)/x= -3
(-9)/-3=x
+3=x
Espero haberte ayudado :D