直接写得数.49×3=5÷13=12÷13=13×2=100×29%=0.625×0.4=38÷34=12+13=27×(14+13)=27×39÷27=-数学

题目简介

直接写得数.49×3=5÷13=12÷13=13×2=100×29%=0.625×0.4=38÷34=12+13=27×(14+13)=27×39÷27=-数学

题目详情

直接写得数.
4
9
×3=
1
3
=
1
2
÷
1
3
=
1
3
×2=
100×29%=0.625×0.4=
3
8
÷
3
4
=
1
2
+
1
3
=
2
7
×(
1
4
+
1
3
)=
2
7
×
3
9
÷
2
7
=
题型:解答题难度:中档来源:不详

答案

(1)class="stub"4
9
×3=1class="stub"1
3

(2)(2)5÷class="stub"1
3
=15;
(3)class="stub"1
2
÷class="stub"1
3
=1class="stub"1
2

(4)class="stub"1
3
×2=class="stub"2
3

(5)100×29%=29;
(6)0.625×0.4=0.25;
(7)class="stub"3
8
÷class="stub"3
4
=class="stub"1
2
; 
(8)class="stub"1
2
+class="stub"1
3
=class="stub"5
6
; 
(9)class="stub"2
7
×(class="stub"1
4
+class="stub"1
3
)=class="stub"1
6

(10)class="stub"2
7
×class="stub"3
9
÷class="stub"2
7
=class="stub"1
3

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