Question

[-1+(22-5•6)]÷(-5+2)+1=

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Answer 1

Resposta:+4

=[-1+(22-5•6)]÷(-5+2)+1=

=[−1+(22−30)]:(−3)+1=  

=[−1+(−8)]:(−3)+1=

=[−9]:(−3)+1=

=3+1=

=+4

Answer 2

R: -1+(22-5•6)]÷(-5+2)+1=

[-1+(22-30)]÷(-3)+1=

[-1+(-8)]÷(-3)+1=

[-1-8]÷(-3)+1=

[-9]÷(-3)+1=

3+1=4