用你喜欢的方法计算.68÷[0.5×(7.5-0.7)](13+16+
用你喜欢的方法计算.68÷[0.5×(7.5-0.7)](13+16+19)÷13618×[12÷(35×109)]2014×20122013....
用你喜欢的方法计算.68÷[0.5×(7.5-0.7)](13+16+19)÷13618×[12÷(35×109)]2014×20122013.
展开
1个回答
展开全部
(1)68÷[0.5×(7.5-0.7)]
=68÷[0.5×6.8]
=68÷3.4
=20;
(2)(
+
+
)÷
=(
+
+
)×36
=
×36+
×36+
×36
=12+6+4
=18+4
=22;
(3)
×[
÷(
×
)]
=
×[
÷
]
=
×
=
;
(4)2014×
=(2013+1)×
=2013×
+1×
=2012+
=2012
.
=68÷[0.5×6.8]
=68÷3.4
=20;
(2)(
1 |
3 |
1 |
6 |
1 |
9 |
1 |
36 |
=(
1 |
3 |
1 |
6 |
1 |
9 |
=
1 |
3 |
1 |
6 |
1 |
9 |
=12+6+4
=18+4
=22;
(3)
1 |
8 |
1 |
2 |
3 |
5 |
10 |
9 |
=
1 |
8 |
1 |
2 |
2 |
3 |
=
1 |
8 |
3 |
4 |
=
3 |
32 |
(4)2014×
2012 |
2013 |
=(2013+1)×
2012 |
2013 |
=2013×
2012 |
2013 |
2012 |
2013 |
=2012+
2012 |
2013 |
=2012
2012 |
2013 |
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