用脱式计算下面各题(能简算的要简算).(112+18)×2434×99+0.752-613÷926-2358÷[13+(56-34)].-数学

题目简介

用脱式计算下面各题(能简算的要简算).(112+18)×2434×99+0.752-613÷926-2358÷[13+(56-34)].-数学

题目详情

用脱式计算下面各题(能简算的要简算).
1
12
+
1
8
)×24
3
4
×99+0.75
2-
6
13
÷
9
26
-
2
3
5
8
÷[
1
3
+(
5
6
-
3
4
)].
题型:解答题难度:中档来源:不详

答案

①(class="stub"1
12
+class="stub"1
8
)×24,
=class="stub"1
12
×24+class="stub"1
8
×24,
=2+3,
=5;

class="stub"3
4
×99+0.75,
=0.75×99+0.75,
=0.75×(99+1),
=0.75×100,
=75;

③2-class="stub"6
13
÷class="stub"9
26
-class="stub"2
3

=2-1class="stub"1
3
-class="stub"2
3

=2-(1class="stub"1
3
+class="stub"2
3
),
=2-2,
=0;

class="stub"5
8
÷[class="stub"1
3
+(class="stub"5
6
-class="stub"3
4
)],
=class="stub"5
8
÷[class="stub"1
3
+class="stub"1
12
],
=class="stub"5
8
÷class="stub"5
12

=1.5.

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