问题
填空题
已知a,b互为相反数,则a+2a+3a+…+99a+100a+100b+99b+…+3b+2b+b=______.
答案
a+2a+3a+…+99a+100a+100b+99b+…+3b+2b+b=0.
已知a,b互为相反数,则a+2a+3a+…+99a+100a+100b+99b+…+3b+2b+b=______.
a+2a+3a+…+99a+100a+100b+99b+…+3b+2b+b=0.