计算:(1)2-613÷926-23+1835÷0.6×23(2)[213+(5.4-223)×123]÷689(3)62.5%×(123+316)+16÷1.6-58(4)5123×35+7134×

题目简介

计算:(1)2-613÷926-23+1835÷0.6×23(2)[213+(5.4-223)×123]÷689(3)62.5%×(123+316)+16÷1.6-58(4)5123×35+7134×

题目详情

计算:
(1)2-
6
13
÷
9
26
-
2
3
+
18
35
÷0.6×
2
3

(2)[2
1
3
+(5.4-2
2
3
)×1
2
3
]÷6
8
9

(3)62.5%×(1
2
3
+3
1
6
)+
1
6
÷1.6-
5
8

(4)51
2
3
×
3
5
+71
3
4
×
4
7
+91
4
5
×
5
9
题型:解答题难度:中档来源:不详

答案

(1)2-class="stub"6
13
÷class="stub"9
26
-class="stub"2
3
+class="stub"18
35
÷0.6×class="stub"2
3

=2-class="stub"6
13
×class="stub"26
9
-class="stub"2
3
+class="stub"18
35
×class="stub"5
3
×class="stub"2
3

=2-class="stub"4
3
-class="stub"2
3
+class="stub"4
7

=2-(class="stub"4
3
+class="stub"2
3
)+class="stub"4
7

=2-2+class="stub"4
7

=class="stub"4
7


(2)[2class="stub"1
3
+(5.4-2class="stub"2
3
)×1class="stub"2
3
]÷6class="stub"8
9

=[2class="stub"1
3
+class="stub"27
5
×class="stub"5
3
-class="stub"8
3
×class="stub"5
3
]÷6class="stub"8
9

=[class="stub"7
3
+9-class="stub"40
9
]÷6class="stub"8
9

=class="stub"62
9
×class="stub"9
62

=1;

(3)62.5%×(1class="stub"2
3
+3class="stub"1
6
)+class="stub"1
6
÷1.6-class="stub"5
8

=62.5%×(1class="stub"2
3
+3class="stub"1
6
)+class="stub"1
6
÷1.6-class="stub"5
8

=class="stub"5
8
×class="stub"29
6
+class="stub"1
6
×class="stub"5
8
-class="stub"5
8

=(class="stub"29
6
+class="stub"1
6
-1)×class="stub"5
8

=4×class="stub"5
8

=class="stub"5
2


(4)51class="stub"2
3
×class="stub"3
5
+71class="stub"3
4
×class="stub"4
7
+91class="stub"4
5
×class="stub"5
9

=(50+class="stub"5
3
)×class="stub"3
5
+(70+class="stub"7
4
)×class="stub"4
7
+(90+class="stub"9
5
)×class="stub"5
9

=50×class="stub"3
5
+class="stub"5
3
×class="stub"3
5
+70×class="stub"4
7
+class="stub"7
4
×class="stub"4
7
+90×class="stub"5
9
+class="stub"9
5
×class="stub"5
9

═30+1+40+1+50+1,
=123.

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