三年级数学巧算

答案:3 悬赏:0 手机版

解决时间 2021-05-05 20:01

提问者网友：容嬷嬷拿针来
2021-05-05 02:25

三年级数学巧算

最佳答案

五星知识达人网友：轻雾山林
2021-05-05 02:42

3x4-1x1=12-1=11平方米
请采纳正确答案，你们只提问，不采纳正确答案，回答都没有劲！谢谢管理员推荐采纳！！
朋友，请【采纳答案】，您的采纳是我答题的动力，如果没有明白，请追问。谢谢。

全部回答

1楼网友：鱼芗
2021-05-05 04:29

395＋2508＋115
=395+115+2508
=510+2508
=3018

1382－82×15
=1382-82+82x14
=1300+820+328
=2120+328
=2448

688－112－88
=688-88-112
=600-112
=488

153÷153＋219×3
=1+219x3
=658

﹙567－567﹚÷90
=0÷90
=0

451＋549÷3－95
=451+549-2x549÷3-95
=1000-366-95
=634-100+5
=539

1000－645－345
=1000-(645+345)
=1000-990
=10

125＋75×180
=125+3x25x36x5
=125+125x108
=125x(108+1)
=1000÷8x109
=13625

540－240÷12
=540-20
=520

246÷9×6
=41x2x3÷3÷3x2x3
=41x2x2
=164

680－202＋98
=680-200-2+100-2
=580-4
=576

234×98÷49
=234x(98÷49)
=234x2
=468

18×13×150
=9x2x13x150
=(10-1)x13x150x2
=10x13x300-13x300
=39000-3900
=35100

630×33÷21
=630÷7x33÷3
=90x11
=990

2236÷13÷43
=2236÷(13x43)
=2236÷(10x43+3x43)
=2236÷(430+129)
=2236÷559
=4

6300÷2÷63
=6300÷63÷2
=100÷2
=50

888－﹙88＋77﹚
=888-88-77
=800-77
=723

2楼网友：零点过十分
2021-05-05 03:16

395＋2508＋115
=395＋115＋2508
=510＋2508
=3018
1382－82×15
=1382－1230
=152
688－112－88
=688-（112+88）
=688-200
=488
153÷153＋219×3
=1+657
=658
﹙567－567﹚÷90
=0÷90
=0
451＋549÷3－95
=451＋183－95
=539
1000－645－345
=1000-（645+345）
=1000-990
=10
125＋75×180
=125+13500
=13625
540－240÷12
=540-20
=520
246÷9×6
=246×6÷9
=1476÷9
=164
680－202＋98
=680-200-2+100-2
=580-4
=576
234×98÷49
=234×2
=468
18×13×150
=18×150×13
=2700×13
=35100
630×33÷21
=630÷21×33
=30×33
=990
2236÷13÷43
=172÷43
=4
6300÷2÷63
=6300÷63÷2
=100÷2
=50
888－﹙88＋77﹚
=888-88-77
=800-77
=723来自：求助得到的回答

我要举报

如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！

点此我要举报以上问答信息