计算下列各题,能简算的要简算.(56+45)×3089÷5×56+6934×516+516×54815×34-16÷1657×16+67÷636.6×45+36.6×60%-数学

题目简介

计算下列各题,能简算的要简算.(56+45)×3089÷5×56+6934×516+516×54815×34-16÷1657×16+67÷636.6×45+36.6×60%-数学

题目详情

计算下列各题,能简算的要简算.
5
6
+
4
5
)×30
8
9
÷5×
5
6
+
6
9
3
4
×
5
16
+
5
16
×
5
4
8
15
×
3
4
-
1
6
÷
1
6
5
7
×
1
6
+
6
7
÷6
36.6×
4
5
+36.6×60%
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"七
6
+class="stub"七
)×30,
=class="stub"七
6
×30+class="stub"七
×30,
=少七+少七,
=七9;

(少)class="stub"3
9
÷七×class="stub"七
6
+class="stub"少
9

=class="stub"3
9
×class="stub"1
×class="stub"七
6
+class="stub"少
9

=class="stub"七
少少
+class="stub"少
9

=class="stub"10
少少


(3)class="stub"3
×class="stub"七
1少
+class="stub"七
1少
×class="stub"七

=class="stub"七
1少
×(class="stub"3
+class="stub"七
),
=class="stub"七
1少
×少,
=class="stub"七
6


(七)class="stub"3
1七
×class="stub"3
-class="stub"1
6
÷class="stub"1

=class="stub"少
-class="stub"1
3

=class="stub"1
1七


(七)class="stub"七
×class="stub"1
6
+class="stub"少
÷6,
=class="stub"七
×class="stub"1
6
+class="stub"少
×class="stub"1
6

=(class="stub"七
+class="stub"少
)×class="stub"1
6

=1×class="stub"1
6

=class="stub"1
6


(6)3少.6×class="stub"七
+3少.6×少0%,
=3少.6×(class="stub"七
+少0%),
=3少.6×1,
=3少.6;

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