计算(1)3.41÷21516×5.875-(21537-19.18)(2)[(13.75-71112)×2313]÷[(1112+12.5%)÷(247÷9313)].-数学

题目简介

计算(1)3.41÷21516×5.875-(21537-19.18)(2)[(13.75-71112)×2313]÷[(1112+12.5%)÷(247÷9313)].-数学

题目详情

计算
(1)3.41÷2
15
16
×5.875-(21
5
37
-19.18)

(2)[(13.75-7
11
12
)×2
3
13
]÷[(1
1
12
+12.5%)÷(2
4
7
÷9
3
13
)]
题型:解答题难度:中档来源:不详

答案

(1)3.41÷2class="stub"15
16
×5.875-(21class="stub"5
37
-19.18)

=class="stub"341
100
×class="stub"16
47
×class="stub"47
8
-(21class="stub"5
37
-19class="stub"9
50
),
=6class="stub"41
50
+19class="stub"9
50
-21class="stub"5
37

=26-21class="stub"5
37

=4class="stub"32
37


(2)[(13.75-7class="stub"11
12
)×2class="stub"3
13
]÷[(1class="stub"1
12
+12.5%)÷(2class="stub"4
7
÷9class="stub"3
13
)]

=[(13class="stub"3
4
-7class="stub"11
12
)×class="stub"29
13
]÷[(1class="stub"1
12
+class="stub"1
8
)÷(class="stub"18
7
×class="stub"13
120
)],
=[class="stub"35
6
×class="stub"29
13
]÷[class="stub"29
24
÷class="stub"39
140
],
=class="stub"35
6
×class="stub"24
29
×class="stub"29
13
×class="stub"39
140

=3.

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