答:本题的答案是:2219。这是一道多位数连加法题。先计算:99十380=479。一步一步加。479十380=859。859十1360=2219,请有关专家审核!
99十380十380十1360等于多少
99+380+380+1360
=1360+380x2+100-1
=1360+760+100-1
=2130-1=2129
答:本题的答案是:2219。这是一道多位数连加法题。先计算:99十380=479。一步一步加。479十380=859。859十1360=2219,请有关专家审核!
99十380十380十1360等于多少
99+380+380+1360
=1360+380x2+100-1
=1360+760+100-1
=2130-1=2129