五月份的用水量比四月份节约
1
9
,五月份的用水量是四月份的______.
直接写得数.
4-1.08=12-
2
3
=
3
16
×
2
9
=
1
7
÷
10
21
=
4
5
÷20
=
1
5
+
1
3
=
3.9÷0.01=1154+846=
写出下面各题的得数.
763-197=3÷0.43=37+1.6=57÷0.3=
2
3
+
1
6
=
1-
2
7
=
25
1
4
×4=
14
7
12
÷7=
直接写出得数.
1
6
-
1
9
=
4
9
×0.5=
5
12
=
0.53=
3
4
×1.75×0=
1-
7
15
-
4
15
=
3
4
÷
3
4
×4=
直接写得数.
1
4
+
3
4
=
5
7
-
5
7
=
③1-
3
5
=
④2+
7
8
=
直接写得数.
1
4
+
1
5
=
1-
6
11
=
6
7
=
1
2
-
1
3
=
9.6÷1.6=
3
5
=
51×199≈(
5
6
+
1
4
)×12=
直接写出得数.
4
7
+
5
14
=
4-
4
5
=
1
3
×
1
4
=
18÷0.9=
8
11
+
3
4
+
3
11
=
6÷3%=4.4×5%=0.72=
3.2×2.5×0.4=
4
5
-
4
7
+
6
5
=
直接写出得数.
8.1÷0.03=
3
5
+3=
5
16
×
8
15
=
7
9
-
1
3
=
8
9
×
9
24
=
134-18=1.5×4=7.45+8.55=
3
7
8
-
1
4
+
3
4
+
1
8
5-
1
6
+
5
6
-1.
9
13
+
5
16
+
4
13
7
10
+
5
8
-
3
10
+
3
8
2
3
-
2
7
+
1
3