99×222+333×334 75×45+17×25要简算
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![99×222+333×334 75×45+17×25要简算](/uploads/image/z/142737-33-7.jpg?t=99%C3%97222%2B333%C3%97334+75%C3%9745%2B17%C3%9725%E8%A6%81%E7%AE%80%E7%AE%97)
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99×222+333×334 75×45+17×25要简算
99×222+333×334 75×45+17×25
要简算
99×222+333×334 75×45+17×25要简算
999*222+333*334
=333*3*222+333*334
=333*(666+334)
=333*1000
=333000
75*45+17*25
=75*28+75*17+25*17
=25*3*4*7+17*(75+25)
=100*21+ 17*100
=2100+1700
=3800
99×222+333×334
=111×2×3×33+333×334=333×(66+334)
=333×400=133200
75×45+17*25
=75×28+75×17+25*17
=25×3×4×7+17×(75+25)
=100×21+ 17×100
=2100+1700
=3800
999*222+333*334
=333*3*222+333*334
=333*(666+334)
=333*1000
=333000
75*45+17*25
=75*28+75*17+25*17
=25*3*4*7+17*(75+25)
=100*21+ 17*100
=2100+1700
=3800 一定要采纳!!!
99×222+333×334 75×45+17×25要简算
999*222+333*334能简算吗
巧算:999×222×333×334
999*222+333*334=
333×334+999×222快速
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333*334+999*222的简便算法
222×999+333×334的简便计算?
用简便计算.999*222+333*334
简便计算:222×999+333×334
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222*999+333*334 怎么简算?
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666*222*333*334简便方法
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