各位大侠,要简算的,题目就这样,所以求助.我也严重怀疑题目出错
各位大侠,要简算的,题目就这样,所以求助.我也严重怀疑题目出错
25X37X4125X7X8
=(37x7)x(4125x8x25)
=259x(33000x25)
=259x825000
=213675000
8×25=400
400×4125=16500
16500×37=610500
25x37x4
=(25x4)x37
=100x37
=3700
125x7x8
=(125x8)x7
=1000x7
=7000
是不是少了个符号?
25x37x4×125x7x8
=25x4x37x125x8x7
=100x37x1000x7
=3700x7000
=25900000