题目内容

2-
3
4
+
2
3
=
分析：2-
3
4
+
2
3
只含有加减法，按照从左向右的顺序进行计算．
解答：解：2-
3
4
+
2
3

=1
1
4
+
2
3

=1
11
12
．
点评：只含有一级运算的，按照从左向右的顺序进行计算．
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用竖式计算．
0.65×2.6           0.38×4.06             5.1÷0.34          23.97÷9.4．
直接写出得数．
0.78+0.22=
3
5
×
5
2
=		 (
3
7
+
5
7
)×14=		 0÷
1
3
÷
1
2
=
3+5%+17%= (
1
5
+17%)÷
1
2
=		 0.43+0.17+0.39= 8.4+1
3
5
=
0.1÷0.01= 1.2×(
1
2
+
1
6
)=		 32×2.5= 6×
1
3
+6÷3=
742-299= 101×9.2-9.2= (
3
4
×
2
3
-
1
2
)×3=
1
3
÷
1
2
=
直接写出下面各题的得数．
5
6
-
1
2
=		 4÷
1
6
=		 7×
1
5
=		 2-
3
4
=
2
3
÷
3
5
=
4
7
+
4
7
=		 10÷
2
5
=		 10×
2
5
=		 3.14×2= 0÷3.14=
25×
4
5
=		 1+
3
4
=
1
3
÷
1
9
=
5
8
×
16
35
=
1
5
+
3
7
+
4
5
=
3
4
×
8
9
=		 （
5
8
-
4
7
）×0=		 6÷
2
3
=		 （
1
5
-
1
6
）×30=		 3.14×4=
直接写出得数．
5.65×10=		 2-
6
7
=		 10-0.95=
3
4
×
3
4
÷
3
4
×
3
4
=
1
2
×50%=
（3.5%-0.035）÷2=
3
4
×
2
3
=		 1.3+27= 1-
1
2
-
1
3
=		 87÷8.7=

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