大家帮个忙，做一下下面的数学题
用简便方法计算1.25×37×4125×7×82.25×43×877×50×6麻烦大家写一下步骤哈，记得用简便方法哦！谢谢了...
用简便方法计算
1. 25×37×4125×7×8
2. 25×43×877×50×6
麻烦大家写一下步骤哈，记得用简便方法哦！谢谢了 展开
1. 25×37×4125×7×8
2. 25×43×877×50×6
麻烦大家写一下步骤哈，记得用简便方法哦！谢谢了 展开
2个回答
展开全部
25×37×4125×7×8
=25×36×125×33×7×8+25×125×33×8×7
=900×1000×33×7+1000×25×32×7+1000×25×7
=29700000×7+5600000×7+25000×7
=30525000×7
=213675000
25×43×877×50×6
=25×44×877×50×6-25×877×50×6
=25×4×11×877×100×3-25×4×220×300+25×3×300
=289410000-6600000+22500
=282832500
=25×36×125×33×7×8+25×125×33×8×7
=900×1000×33×7+1000×25×32×7+1000×25×7
=29700000×7+5600000×7+25000×7
=30525000×7
=213675000
25×43×877×50×6
=25×44×877×50×6-25×877×50×6
=25×4×11×877×100×3-25×4×220×300+25×3×300
=289410000-6600000+22500
=282832500
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展开全部
25×37×4125×7×8
=25×36×125×33×7×8+25×125×33×8×7
=900×1000×33×7+1000×25×32×7+1000×25×7
=29700000×7+5600000×7+25000×7
=30525000×7
=213675000
25×43×877×50×6
=25×44×877×50×6-25×877×50×6
=25×4×11×877×100×3-25×4×220×300+25×3×300
=289410000-6600000+22500
=282832500
=25×36×125×33×7×8+25×125×33×8×7
=900×1000×33×7+1000×25×32×7+1000×25×7
=29700000×7+5600000×7+25000×7
=30525000×7
=213675000
25×43×877×50×6
=25×44×877×50×6-25×877×50×6
=25×4×11×877×100×3-25×4×220×300+25×3×300
=289410000-6600000+22500
=282832500
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评论
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你对这个回答的评价是？
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