题目内容

口算．

2.2－0.9=

0.7＋0.4=    5－4.3=    8.6－4.6=

答案：1.3;1.1;0.7;4
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口算题
7.2+2.8=		 0.7×16-16×0.2= 6÷1.2=
9.2÷2.3= 24÷4+56÷4= 1.5-4.5=
30×（200+3）= 12×2.5= 2.5×0.4=
0.36+0.64= 4÷0.25= 2.63+0.37=
1.4×2.5×4= 8.4÷4.2= 4.8÷0.3=
0.96÷0.3= 8-2.5=8×1.5= 2.73+1.5×4=
1.8×5=
口算．
500×2= 400×6= 120+0= 7×30= 66÷3=
40÷5= 250×4= 90÷3= 210×7= 55×4=
789×0= 500×8=
6
7
-
4
7
=
2
5
+
3
5
=
7
10
-
1
10
=
1
11
+
6
11
=		 42×2=
4
7
-
4
7
=		 36÷3= 48÷4=
口算
1.2÷0.2=		 2.5×4= 0.25+4= 1.87×0=
3.5+0.5= 1.2÷0.4= 3.6÷4= 0÷1.25=
0.12×6= 0.64×0.03= 5.8+4.2-6.5= 7.8÷3=
0.125×8= 2.8÷1.4= 0.25÷0.5= 7.21÷7=
0.35÷10= 3.6÷3= 6.3÷0.9= 0.54÷6=
0.3×0.1= 1.3÷2= 0.4÷8=2 7.3÷3=
0.51÷0.3= 15÷0.01= 5÷10= 0.7×12=
0.2×0.5= 3.8×0.1= 0.2×0.2= 0.04×0.4=
12.4+7.6= 8×0.5= 0.72÷36= 9×2.5+2.5=
1.8÷3= 2.3÷2= 6.5÷5= 2.14÷2=
2.5×4= 2.7×2= 0.5×7= 4.8+3.6+5.2=
3.4÷1.7= 2.5+0.2= 4.5÷5= 5+2.8=
0.8×0.3= 13.5×2×0= 5.25÷5= 4×2.2=
0.12×0.5= 1.8×5= 6.24÷2= 2.83-1.43=
1.2+2.9= 3.8÷2= 1.32×3= 4.6×7=
（2013?华亭县模拟）口算．
2.2+3.57= 1.4-0.6= 3.25×4= 15×
1
5
=		 44÷
11
10
=
5
9
-
5
6
+
4
9
=		 2-
1
5
-
4
5
=
2
3
÷2=
1
3
+
2
5
=
7
8
×
2
7
=．
口算。
2.5×4= 7.2÷0.2=
1.25×0.8= 4.5+7.5=
1.24-0.04= 1.23÷3=
0.36÷0.3= 12.4÷4=
1.4×0.2= 2÷0.25=
7.2×0.1= 2.3×0.25×4=

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