第1个回答 2017-03-24
用简便方法计算
3X125X5X16X20
=3X125X5X2×8X20
=（3×20）×（125×8）×（5×2）
=60×1000×10
=600000本回答被网友采纳
3X125X5X16X20
=3X125X5X2×8X20
=（3×20）×（125×8）×（5×2）
=60×1000×10
=600000本回答被网友采纳
第2个回答 2017-03-24
=3x125x5x2x8x20
=125x8x5x20x2x3
=1000x100x6
=600000
=125x8x5x20x2x3
=1000x100x6
=600000
第3个回答 2017-03-24
3*125*5*16*20
=125*16*5*20*3
=125*8*2*50*2*3
=1000*100*6
=600000
=125*16*5*20*3
=125*8*2*50*2*3
=1000*100*6
=600000
第4个回答 2017-03-24
把16分成2乘8
3×125×5×16×20
=125×8×2×3×5×20
=1000×30×20
=600000
3×125×5×16×20
=125×8×2×3×5×20
=1000×30×20
=600000