78×47×8;(78-2132)÷78,1327×8+1927×13.-六年级数学

题目简介

78×47×8;(78-2132)÷78,1327×8+1927×13.-六年级数学

题目详情

7
8
×
4
7
×8;(
7
8
-
21
32
)÷
7
8
13
27
×8+
19
27
×13.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"7
8
×class="stub"4
7
×8
=(class="stub"7
8
×8)×class="stub"4
7

=7×class="stub"4
7

=4;

(2)(class="stub"7
8
-class="stub"21
32
)÷class="stub"7
8

=class="stub"7
8
÷class="stub"7
8
-class="stub"21
32
÷class="stub"7
8

=1-class="stub"21
32
×class="stub"8
7

=1-class="stub"3
4

=class="stub"1
4


(3)class="stub"13
27
×8+class="stub"19
27
×13
=class="stub"13
27
×8+class="stub"13
27
×19
=class="stub"13
27
×(8+19)
=class="stub"13
27
×27
=13.

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