怎样算简便就怎样算.8.89×36+8.89×63+8.891-1÷2-1÷3-162007×20052006 &nbs...
怎样算简便就怎样算.8.89×36+8.89×63+8.891-1÷2-1÷3-162007×20052006216×13×(13-124)....
怎样算简便就怎样算.8.89×36+8.89×63+8.891-1÷2-1÷3-162007×20052006 216×13×(13-124 ).
展开
1个回答
展开全部
①8.89×36+8.89×63+8.89,
=8.89×(36+63+1),
=8.89×100,
=889;
②1-1÷2-1÷3-
,
=1?
?
?
,
=1-(
+
+
),
=1-1,
=0;
③2007×
,
=(2006+1)×
,
=2006×
+
,
=2005+
,
=2005
;
④216×
×(
?
),
=72×(
?
),
=72×
-72×
,
=24-3,
=21.
=8.89×(36+63+1),
=8.89×100,
=889;
②1-1÷2-1÷3-
1 |
6 |
=1?
1 |
2 |
1 |
3 |
1 |
6 |
=1-(
1 |
2 |
1 |
3 |
1 |
6 |
=1-1,
=0;
③2007×
2005 |
2006 |
=(2006+1)×
2005 |
2006 |
=2006×
2005 |
2006 |
2005 |
2006 |
=2005+
2005 |
2006 |
=2005
2005 |
2006 |
④216×
1 |
3 |
1 |
3 |
1 |
24 |
=72×(
1 |
3 |
1 |
24 |
=72×
1 |
3 |
1 |
24 |
=24-3,
=21.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询
广告 您可能关注的内容 |