求下列算式简便计算的答案,
问题描述:
求下列算式简便计算的答案,
25x99+25 26x16x25
答
25x99+25
=25x99+25x1
=25x(99+1)
=25x100
=2500
26x16x25
=26x4x4x25
=26x4x(4x25)
=104x100
=10400