If A+1+|a+b+2|=0, find the value of a100+b101.

According to the meaning of the title:
A+1=0
A + b +2=0,:
A =−1
B=−1,
Then a100+b101=1-1=0.

According to the meaning of the title:
A+1=0
A + b +2=0, solve:
A =−1
B=−1,
Then a100+b101=1-1=0.

-5+5 To the second power-5 to the third power +5 to the fourth power +…… 15Th power of +(-5) Don't kill me, so quickly! ……… ... Wu wu wu, math is not good, please help!

Proportional sequence
Let Original = S
Then -5S=5^2-5^3+...-5^15+5^16
Observe the right formula, equivalent to the original formula +5+5^16
So -5S = S +5+5^16
6S =-5-5^16
S =(-5-5^16)/6

Proportional sequence
Let Original=S
Then -5S=5^2-5^3+...-5^15+5^16
Observe the right formula, equivalent to the original formula +5+5^16
So -5S = S +5+5^16
6S =-5-5^16
S =(-5-5^16)/6

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