怎样算简便就怎样算.55+89+25+1916×510+三10÷61三×三4÷(三4-512)(2三+16)×2449×三4×911(1-12-14)÷18.-六年级数学

题目简介

怎样算简便就怎样算.55+89+25+1916×510+三10÷61三×三4÷(三4-512)(2三+16)×2449×三4×911(1-12-14)÷18.-六年级数学

题目详情

怎样算简便就怎样算.
5
5
+
8
9
+
2
5
+
1
9

1
6
×
5
10
+
10
÷6
1
×
4
÷(
4
-
5
12

2
+
1
6
)×24
4
9
×
4
×
9
11

(1-
1
2
-
1
4
)÷
1
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
7
+class="stub"8
l
+class="stub"二
7
+class="stub"1
l

=(class="stub"5
7
+class="stub"二
7
)+(class="stub"8
l
+class="stub"1
l
),
=1+1,
=二;

(二)class="stub"1
6
×class="stub"7
10
+class="stub"7
10
÷6,
=(class="stub"7
10
+class="stub"7
10
)×class="stub"1
6

=1×class="stub"1
6

=class="stub"1
6


(7)class="stub"1
7
×class="stub"7
÷(class="stub"7
-class="stub"5
1二
),
=class="stub"1
7
×class="stub"7
÷class="stub"1
7

=1×class="stub"7

=class="stub"7


(七)(class="stub"二
7
+class="stub"1
6
)×二七,
=class="stub"二
7
×
二七+class="stub"1
6
×
二七,
=16+七,
=二0;

(5)class="stub"七
l
×class="stub"7
×class="stub"l
11

=class="stub"七
l
×class="stub"l
11
×class="stub"7

=class="stub"七
11
×class="stub"7

=class="stub"7
11


(6)(1-class="stub"1
-class="stub"1
)÷class="stub"1
8

=1×8-class="stub"1
×8-class="stub"1
×
8,
=8-七-二,
=二.

更多内容推荐