急求一道简便计算题!!!!!!!!要过程和答案!!!!!!!,谢谢了!!!!!!

2025-05-16 22:50:34
推荐回答(2个)
回答1:

(1+0.1)+(2+0.1*2)+(3+0.1*3)+······+(99+0.1*99)+(100+0.1*100)
=(1+0.1)+2(1+0.1*1)+3(1+0.1*1)+······+99 (1+0.1*1)+100(1+0.1*1)
=(1+0.1*1)(1+2+3+。。。+99+100)
=。。。

回答2:

1.1*5050