如题所述
第1个回答 2016-07-24
=125x8x16x25
=1000x400
=400000
=1000x400
=400000
第2个回答 2016-07-24
=125×8×4×4×25
=1000×4×100
=400000
=1000×4×100
=400000
第3个回答 2016-07-24
125*8*4*4*25
=1000*100*4
=400000
=1000*100*4
=400000
第4个回答 2016-07-24
原式 =125x(8x4x4)x25
=(125x8)x(4x25)x4
=1000x100x4
=100000x4
=400000本回答被提问者和网友采纳
=(125x8)x(4x25)x4
=1000x100x4
=100000x4
=400000本回答被提问者和网友采纳