用你喜欢方法计算.101001-45×6237.63×9.9+0.763(23-12)÷(34+13)89×[34-(716-14)].-数学

题目简介

用你喜欢方法计算.101001-45×6237.63×9.9+0.763(23-12)÷(34+13)89×[34-(716-14)].-数学

题目详情

用你喜欢方法计算.
101001-45×623
7.63×9.9+0.763
2
3
-
1
2
)÷(
3
4
+
1
3

8
9
×[
3
4
-(
7
16
-
1
4
)].
题型:解答题难度:中档来源:不详

答案

(1)101001-45×623,
=101001-28035,
=72966;

(2)7.63×9.9+0.763,
=7.63×9.9+7.63×0.1,
=7.63×(9.9+0.1),
=7.63×10,
=76.3;

(3)(class="stub"2
3
-class="stub"1
2
)÷(class="stub"3
4
+class="stub"1
3
),
=class="stub"1
6
÷class="stub"13
12

=class="stub"2
13


(4)class="stub"8
9
×[class="stub"3
4
-(class="stub"7
16
-class="stub"1
4
)],
=class="stub"8
9
×[class="stub"3
4
-class="stub"3
16
],
=class="stub"8
9
×class="stub"9
16

=class="stub"1
2

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