Question

Me ajudem pfff
a) (-7-4).(-9+2)-(-72+2):(-5-5)+(-9-4+6)=

Answer 1

(-7-4).(-9+2)-(-72+2):(-5-5)+(-9-4+6)=

(-11).(-9+2)-(-72+2):(-5-5)+(-9-4+6)=

(-11).(-7)-(-72+2):(-5-5)+(-9-4+6)=

(-11).(-7)-(-74):(-5-5)+(-9-4+6)=

(-11).(-7)-(-74):(-10)+(-9-4+6)=

(-11).(-7)-(-74):(-10)+(-7)=

(77)-(-74):(-10)+(-7)=

(77)-(7,4)+(-7)=

77-14,4=62,6

Answer 2

(-7-4).(-9+2)-(-72+2):(-5-5)+(-9-4+6)=
(-11).(-7)-(-70):(-10)+(-7)
(77)-(7)+(-7)
70-7
63
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