999999+99999999=几
规律:9+9=18
99+99=198
999+999=1998
9999+9999=19998
......
999999+999999=1999998
所以999999+99999999=999999+999999+99000000
=1999998+99000000
= 100999998
999999+99999999=100999998
是100999998吧
100999998
热门标签:
规律:9+9=18
99+99=198
999+999=1998
9999+9999=19998
......
999999+999999=1999998
所以999999+99999999=999999+999999+99000000
=1999998+99000000
= 100999998
999999+99999999=100999998
是100999998吧
100999998