题目内容

0.36÷1.2= 0.78-0.3= 3.7×2= 0.4×0.5=
0.39+0.61= 10-7.2= 0.88÷1.1= 0.75×4=
11-1.5= 2.48÷4= 7.8-0.38= 2.8×5=
4×10.1= 4×0.25= 3.2+1.6= 10.6-5.2=
0.32+1.68= 0.8×125= 7.28÷7= 4.8+39=
43÷0.01= 0.4÷2= 1.3×60= 1.5×0.04=
1.53-0.7= 1.5-0.6= 0.3÷1.5= 95÷19=
0.65+4.35= 14-7.4= 11.2-9.8=
4
5
-
7
10
=
5
6
-
2
5
=
4
5
+
1
2
=
3
5
-
1
2
=
3
8
+3=
1
2
+
2
5
=
1
2
+
1
2
=
4
5
-
2
7
=
2
3
+
2
3
=
1-
1
2
=
1
4
+
1
3
=
2
3
+
3
4
=
1
4
-0=
1
2
-
1
7
=		 1-
2
3
=		 0+
5
6
=
7
8
-
3
4
=
2
3
+
2
3
=
5
8
-
4
8
=
1
5
+
4
5
=
2
13
+
1
6
+
5
6
=
1
2
+
3
4
-
3
4
=
1
7
+（
6
7
-
5
8
）=		 0.9×1.25×8= 5.85+1.37+4.25=
0.43×10+57= 62-2.8-1.2= 2.7×3÷2.7×3= 0.8×0.5×1.25=
分析：根据整数、分数、小数的四则运算进行解答即可得到答案．
解答：
解：0.36÷1.2=0.3 0.78-0.3=0.48 3.7×2=7.4 0.4×0.5=0.2
0.39+0.61=1 10-7.2=2.8 0.88÷1.1=0.8 0.75×4=3
11-1.5=9.5 2.48÷4=0.62 7.8-0.38=7.42 2.8×5=14
4×10.1=40.4 4×0.25=1 3.2+1.6=4.8 10.6-5.2=5.4
0.32+1.68=2 0.8×125=100 7.28÷7=1.04 4.8+39=43.8
43÷0.01=4300 0.4÷2=0.2 1.3×60=78 1.5×0.04=0.06
1.53-0.7=0.83 1.5-0.6=0.9 0.3÷1.5=0.2 95÷19=5
0.65+4.35=5 14-7.4=6.6 11.2-9.8=1.4
4
5
-
7
10
=
1
10
5
6
-
2
5
=
13
30
4
5
+
1
2
=1
3
10
3
5
-
1
2
=
1
10
3
8
+3=3
3
8
1
2
+
2
5
=
9
10
1
2
+
1
2
=1
4
5
-
2
7
=
18
35
2
3
+
2
3
=1
1
3
1-
1
2
=
1
2
1
4
+
1
3
=
7
12
2
3
+
3
4
=1
5
12
1
4
-0=
1
4
1
2
-
1
7
=
5
14
 1-
2
3
=
1
3
 0+
5
6
=
5
6
7
8
-
3
4
=
1
8
2
3
+
2
3
=1
1
3
5
8
-
4
8
=
1
8
1
5
+
4
5
=1
2
13
+
1
6
+
5
6
=1
2
13
1
2
+
3
4
-
3
4
=
1
2
1
7
+（
6
7
-
5
8
）=
3
8
 0.9×1.25×8=9 5.85+1.37+4.25=11.47
0.43×10+57=61.3 62-2.8-1.2=58 2.7×3÷2.7×3=9 0.8×0.5×1.25=0.5
点评：此题主要考查的是整数、分数、小数的四则运算．
练习册系列答案
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直接写出得数．
1.3+0.5=
2.5×4=
0.15×6=
0.48÷0.6=
5-5÷10= 36÷1.2= 0.24×0.5= 5.7÷0.19+0.11=
0.72÷12= 56×0.05= 1.69÷1.3= 2.1+0.9÷0.5=
直接写结果：
4.5÷9=		 0.36÷1.2= 0.7÷0.1= 4.2×5÷4.2×5=
12÷48= 1.5×0.4= 5.2-0.95= 1.3+0.7-1.3+0.7=
直接写得数．
1.02+0.8= 5.55-2.5= 0.2-0.04= 2.13+10.87=
0.4+2.5= 3.6+1.5= 0.34+0.36= 1.2-0.9=
直接写出得数
14×0.025=		 0.06×0.5= 1.1-0.96= 8÷1.5=
0.36÷1.2= 0.7+6.77= 108÷3.6= 1.2×0.5=
5.4-2.5-1.5= 2.87÷0.7= 6.5×1.01= 42÷35=

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