1楼:妙酒
简便计算
222×55+666×15
=222x55+222x3x15
=222x(55+45)
=222x100
=22200
222×55+666x15怎么简便运算
2楼:瓦里安x代
=222×55+222×3×15
=222×(55+3×15)
=222×100
=22200
3楼:天雨下凡
=222×55+222×3×15
=222×55+222×45
=222×(55+45)
=222×100
=22200
简便方法计算222*55 666*15
4楼:昨夜星辰吉日
原式=222x55+666x15
=222x55+222x3x15
=222x55+222x45
=222x(55+45)
=222x100
=22200
供参考。
666×15+222×55的简便计算?
5楼:黎祖南
简便计算过程方法如下
解:666×15+222×55
=222×3×15+222×55
=222×45+222×55
=222×(45+55)
=222×100
=22200
6楼:匿名用户
=222×3×15+222×55
=222×45+222×55
=222×(45+55)
=222×100
=22200
用简便方法计算222x55+666x15
7楼:燃烧无名的怒火
25x64+25x36=25x(64+36)=25x100=250057x201=57x1+57x200=57+11400=11457后面都类似方法,请自己动手。
8楼:匿名用户
222x55+666x15
=222x(55+3x15)
=222x(55+45)
=222x100
=22200
55×222+666×15怎么用简遍计算
9楼:匿名用户
=55×222+222×3×15
=222×55+222×45
=222×(55+45)
=222×100
=22200
22255 66615的简便算法
10楼:匿名用户
222x55=222x(50+5)
=222x50+222x5
=11100+1110
=12210
666x15=(666x5)x3
=3330x3
=9990
请采纳,谢谢。
11楼:八戒你胖咯
=22255 +222x315
=222x(55+3x15)
=222x100
=2 2200
666×15+222x55,简便算式?
12楼:风龙
=111*6*5*3+111*2*5*11=111*5*2(3*3+11)
=111*10*20
=22200
13楼:匿名用户
原式=222*3*15+222*55
=222*(45+55)
=22200
14楼:匿名用户
=222x3x15+222x55
=222x(45+55)
=222x100=22200
用简便方法计算666×667 222×999等于多少?
15楼:吴玲
666×667+222×999
=666×667+222×3×333
=666×667+666×333
=666×(667+333)
=666×1000
=666000
16楼:青木桑
原式=666×667+222×3×333
=666×667+666×333
=666×(667+333)
=666×1000
=666000
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