题目内容

计算：
5
9
-
5
12
+
5
18
．
5
9
-
5
12
+
5
18
，
=
20
36
-
15
36
+
10
36
，
=
15
36
，
=
5
12
．
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相关题目
直接写出得数．
1
4
+
1
5
=		10-5.75=7÷0.01=
3
5
×
1
6
=		1.7×5.4×0=
54+49+46=6298÷70=（
1
5
+
1
6
）×30=		1×（
1
3
-1÷3）=
1
2
-
1
2
×
1
3
=
直接写出得数．
0.56+0.25=
4
5
-（
1
2
-
1
5
）=		0÷
4
15
=		（
1
2
+
1
3
）×6=
4
5
+
2
5
=
8
3
×
3
8
=		8÷
4
5
=		1+8%=
直接写得数．
2
3
+
1
2
=
5
6
×18=
7
8
-
1
2
=
1
3
×
3
4
×8=
2
5
×
3
4
=
5
11
÷6=
4
5
÷
5
6
=		（
5
8
+
2
3
）×24=
4
5
÷
5
4
=		24×25%0÷
3
5
1
4
×
1
3
÷
1
3
×
1
4
=
直接写出得数：
4
5
+
3
15
=
3
4
÷6=
5
12
×
6
17
=
5
6
×0÷
3
5
=
2-
1
5
+
4
5
=
3
8
×16=		6-
1
3
=
12
88
÷
3
11
=
6
7
+1÷7=		5×
1
5
÷5×
1
5
=
直接写得数．
1
4
-
1
5
=
5
18
÷
5
6
=
15
2
×
5
9
=
3
7
×
7
9
=		10×
3
5
=
7
12
×
3
14
=
11
5
÷
6
5
=
5
8
÷
5
12
=		15×
4
5
=
1
4
÷
1
2
=
3
4
+
1
2
=
11
12
÷22=
直接写得数
2
5
+
1
2
=		3
1
4
+1.75=
3
5
÷
1
3
=
1
8
×
1
8
=
6
7
×
7
15
=
5
6
-
1
2
=
1
4
+
1
5
=
2
3
×0+3=
（
5
6
+
1
6
）×
3
4
=
4
5
×
1
4
÷
4
5
×
1
4
=
11
15
+
4
3
-
4
5
．
，用算式表示为（　　）
A．
1
4
+
3
4
=1		B．1+3=4C．
3
4
+
1
4
=0		D．
1
4
+
3
4
=
1
2

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