脱式计算(能用简便方法的要用简便方法):(17+514)÷5141318╳19-1318(34+58)×3279÷23÷78311×87+12÷113.-六年级数学

题目简介

脱式计算(能用简便方法的要用简便方法):(17+514)÷5141318╳19-1318(34+58)×3279÷23÷78311×87+12÷113.-六年级数学

题目详情

脱式计算(能用简便方法的要用简便方法):
1
7
+
5
14
)÷
5
14
13
18
╳19-
13
18
3
4
+
5
8
)×32
7
9
÷
2
3
÷
7
8
3
11
×87+12÷
11
3
题型:解答题难度:中档来源:不详

答案

①(class="stub"1
7
+class="stub"5
14
)÷class="stub"5
14

=class="stub"1
2
÷class="stub"5
14

=class="stub"1
2
×class="stub"14
5

=class="stub"7
5


class="stub"13
18
×19-class="stub"13
18

=class="stub"13
18
×(19-1),
=class="stub"13
18
×18,
=13;

③(class="stub"3
4
+class="stub"5
8
)×32,
=class="stub"3
4
×32+class="stub"5
8
×32,
=24+20,
=44;

class="stub"7
9
÷class="stub"2
3
÷class="stub"7
8

=class="stub"7
9
×class="stub"3
2
×class="stub"8
7

=class="stub"4
3


class="stub"3
11
×87+12÷class="stub"11
3

=class="stub"3
11
×87+12×class="stub"3
11

=class="stub"3
11
×(87+12),
=class="stub"3
11
×99,
=27.

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