脱式计算,能简算的要简算.(1)475+660÷33×25(2)400-141327-851427(3)(59+718-1112)×36(4)5.84×1.36+1.36×3.16+1.36(5)[1

题目简介

脱式计算,能简算的要简算.(1)475+660÷33×25(2)400-141327-851427(3)(59+718-1112)×36(4)5.84×1.36+1.36×3.16+1.36(5)[1

题目详情

脱式计算,能简算的要简算.
(1)475+660÷33×25        
(2)400-14
13
27
-85
14
27

(3)(
5
9
+
7
18
-
11
12
)×36
        
(4)5.84×1.36+1.36×3.16+1.36
(5)[1.9-6÷(2.4×5)]÷(14×0.2)
(6)[(
8
9
+
4
3
3
4
-
1
4
1
12
×
3
4
-
1
4
]÷
1
12
题型:解答题难度:中档来源:不详

答案

(1)475+660÷33×25
=475+20×25
=475+500
=975;

(2)400-14class="stub"13
27
-85class="stub"14
27

=400-(14class="stub"13
27
+85class="stub"14
27

=400-100
=300;

(3)(class="stub"5
9
+class="stub"7
18
-class="stub"11
12
)×36

=class="stub"5
9
×36+class="stub"7
18
×36-class="stub"11
12
×36
=20+14-33
=1;
      
(4)5.84×1.36+1.36×3.16+1.36,
=(5.84+3.16+1)×1.36,
=10×1.36,
=13.6;

(5)[1.9-6÷(2.4×5)]÷(14×0.2)
=[1.9-6÷12]÷2.8
=[1.9-0.5]÷2.8
=1.4÷2.8
=0.5;

(6)[(class="stub"8
9
+class="stub"4
3
)×class="stub"3
4
-class="stub"1
4
]÷class="stub"1
12
×class="stub"3
4
-class="stub"1
4
]÷class="stub"1
12

=[class="stub"20
9
×class="stub"3
4
-class="stub"1
4
class="stub"1
12

=[class="stub"5
3
-class="stub"1
4
class="stub"1
12

=class="stub"17
12
×12
=17.

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