用简便方法计算222 55+666 15等于多少

2020-11-23 10:51:07 字数 2412 阅读 3958

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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