帮我出20道小数乘除法口算题,速度点,谢谢了！
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6.4+7.2÷2= 0.3÷0.15= 0.5*0.12= 0.6*3÷0.6*3=
1.4*5= 0.1*0.01= 0.35*8= 7.35÷7=
1÷0.01= 2÷0.4= 0.32*0= 1÷0.1=
12.5*8= 3.6÷0.6= 0.25*0.125*4*0.8= 2.5*9*4=
48÷0.6= 66.6÷1.11= 0.125*8= 9.3÷0.31=
6.4+7.2÷2= 0.3÷0.15= 0.5*0.12= 0.6*3÷0.6*3=
1.4*5= 0.1*0.01= 0.35*8= 7.35÷7=
1÷0.01= 2÷0.4= 0.32*0= 1÷0.1=
12.5*8= 3.6÷0.6= 0.25*0.125*4*0.8= 2.5*9*4=
48÷0.6= 66.6÷1.11= 0.125*8= 9.3÷0.31=
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第1个回答 2013-02-22
4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 0.62－0.32= 1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2= 0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
B
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10= 0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1=
0.4×0.5= 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
B
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10= 0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1=
0.4×0.5= 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
第2个回答 2008-11-04
小数乘除口算
22．2*3=
24．8/2=
29．6*9=
1．2*9=
66．6/3=
79．5*6=
56．7*4=
86．66/2=
98．8*2=
45．5*7=
52．11*7=
89．1*4=
22．6/2=
39．9/3=
1.8*5=
12.3*5=
84.8/4=
32.9*4=
22.7*3=
34.9*9=
“*”代表乘，“/”代表除
22．2*3=
24．8/2=
29．6*9=
1．2*9=
66．6/3=
79．5*6=
56．7*4=
86．66/2=
98．8*2=
45．5*7=
52．11*7=
89．1*4=
22．6/2=
39．9/3=
1.8*5=
12.3*5=
84.8/4=
32.9*4=
22.7*3=
34.9*9=
“*”代表乘，“/”代表除
第3个回答 2008-11-07
0.1×0.1=0.01
0.1×0.2=0.02
0.2×0.2=0.04
0.3×0.6=0.18
0.5×0.6=0.3
0.8×0.5=0.4
0.50×.2=0.1
0.9×0.8=0.72
0.9×0.7=0.63
0.9×0.6=0.54
0.9×0.5=0.45
0.9×0.4=0.36
0.9×0.3=0.27
0.9*0.2=0.18
0.9*0.1=0.09
0.8*0.8=0.64
0.8*0.7=0.56
0.8*0.6=0.48
0.8*0.4=0.32
0.8*0.3=0.24
0.8*0.2=0.16
0.8*0.1=0.08
0.7*0.7=0.49
0.7*0.6=0.42
0.7*0.4=0.28
0.7*0.3=0.21
0.7*0.2=0.14
0.7*0.1=0.07
0.6*0.6=0.36
0.6*0.4=0.24
0.6*0.3=0.18
0.6*0.2=0.12
0.6*0.1=0.06
0.5*0.5=0.25
0.5*0.3=0.15
0.5*0.1=0.005
0.4*0.4=0.16
0.4*0.3=0.12
0.4*0.2=0.08
0.4*0.1=0.04
0.3*0.3=0.09
0.3*0.2=0.06
0.3*0.1=0.03
0.2*0.2=0.04
0.11*0.11=0.0121
0.1×0.2=0.02
0.2×0.2=0.04
0.3×0.6=0.18
0.5×0.6=0.3
0.8×0.5=0.4
0.50×.2=0.1
0.9×0.8=0.72
0.9×0.7=0.63
0.9×0.6=0.54
0.9×0.5=0.45
0.9×0.4=0.36
0.9×0.3=0.27
0.9*0.2=0.18
0.9*0.1=0.09
0.8*0.8=0.64
0.8*0.7=0.56
0.8*0.6=0.48
0.8*0.4=0.32
0.8*0.3=0.24
0.8*0.2=0.16
0.8*0.1=0.08
0.7*0.7=0.49
0.7*0.6=0.42
0.7*0.4=0.28
0.7*0.3=0.21
0.7*0.2=0.14
0.7*0.1=0.07
0.6*0.6=0.36
0.6*0.4=0.24
0.6*0.3=0.18
0.6*0.2=0.12
0.6*0.1=0.06
0.5*0.5=0.25
0.5*0.3=0.15
0.5*0.1=0.005
0.4*0.4=0.16
0.4*0.3=0.12
0.4*0.2=0.08
0.4*0.1=0.04
0.3*0.3=0.09
0.3*0.2=0.06
0.3*0.1=0.03
0.2*0.2=0.04
0.11*0.11=0.0121
第4个回答 2008-11-05
3.4\1.7
2\0.5\0.6
10\0.25\4
30\5
100\32
10\9
10\3
100\5\20
100\64
32\8\2
50\25
55\11\2
80\40\10
66\22\3
22\2
555\65
42\3
96\3\2
11\2\2
33\11\2
2\0.5\0.6
10\0.25\4
30\5
100\32
10\9
10\3
100\5\20
100\64
32\8\2
50\25
55\11\2
80\40\10
66\22\3
22\2
555\65
42\3
96\3\2
11\2\2
33\11\2
第5个回答 2012-08-29
5.5*65= 56*5.6=
