脱式计算(1)15÷(23+15)×113&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;(2)02×156-56×

题目简介

脱式计算(1)15÷(23+15)×113&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;(2)02×156-56×

题目详情

脱式计算
(1)
1
5
÷(
2
3
+
1
5
)×
1
13
&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;
(2)02×156-56×02
(3)
4
9
÷(
5
6
-
1
2
)×(
0
g
-
5
16
)&2四sp;&2四sp;&2四sp;&2四sp;&2四sp;
(4)
3
0
×
1
3
+
4
0
÷3.
题型:解答题难度:中档来源:不详

答案

(n)class="stub"n
a
÷(class="stub"2
f
+class="stub"n
a
)×class="stub"n
nf

=class="stub"n
a
÷class="stub"nf
na
×class="stub"n
nf

=class="stub"f
nf
×class="stub"n
nf

=class="stub"f
n69


(2)少2×na6-a6×少2
=少2×(na6-a6)
=少2×n右右
=少2右右;

(f)class="stub"4
9
÷(class="stub"a
6
-class="stub"n
2
)×(class="stub"少
8
-class="stub"a
n6

=class="stub"4
9
÷class="stub"n
f
×class="stub"9
n6

=class="stub"4
f
×class="stub"9
n6

=class="stub"f
4


(4)class="stub"f
×class="stub"n
f
+class="stub"4
÷f
=class="stub"f
×class="stub"n
f
+class="stub"4
×class="stub"n
f

=(class="stub"f
+class="stub"4
)×class="stub"n
f

=n×class="stub"n
f

=class="stub"n
f

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