北师大版四年级数学下册小数乘法专项练习题81Word文档格式.docx
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3.9×
0.40.56×
0.444.6×
0.714.2×
41.6
0.41×
0.070.27×
0.845.1×
8.34.4×
7.74
8.6×
6.5+0.60.48+1.5×
40.8+0.85+6.2
6.2×
0.39+6.2×
0.611.25×
78×
0.8
0.06-0.26×
0.03450-5.8-84.2
0.3×
8=8×
0.5=0.8×
1000=7.4÷
7.4×
100=0.1×
0.03=0.3×
0.6=0.4×
3=
0.23×
0.63.1×
52.8×
6.60.65×
24.9
5.8×
0.040.73×
5.37.9×
4.56.5×
1.46
7×
0.21+0.120.18+56×
43+0.79+97
0.37×
0.43+0.37×
0.572.5×
0.05×
0.94×
0.07-0.33×
0.041100-0.95-7.05
0.7×
5=5×
0.2=0.004×
100=0.743÷
10=
49.2×
100=30×
0.08=0.006×
300=0.6×
300=
2.4×
0.92.1×
60.87×
0.770.18×
8.91
0.48×
0.093.7×
0.910.91×
7.31×
48.7
0.95×
61+18+0.1×
45.1+4.6+64.9
0.36×
9.2+0.36×
0.825×
25×
0.08-0.19×
0.049100-0.94-4.06
6=2×
0.2=0.006×
10=0.143÷
0.82×
100=0.7×
0.06=0.6×
800=0.1×
80=
6.5×
0.20.92×
0.720.2×
7.80.69×
29.9
0.14×
0.020.54×
15.7×
5.60.57×
9.88
0.42×
0.1+0.060.59+75×
90.13+0.44+9.87
0.46+0.23×
0.542.5×
1.8×
0.02
6.8×
0.5+4.7×
0.4710-3.6-36.4
0.1×
0.3=0.01×
100=53.1÷
0.144×
100=9×
0.03=0.02×
90=0.03×
7=
1.6×
0.28.6×
1.30.98×
2.70.74×
3.98
5.1×
0.020.47×
0.449.4×
0.584.1×
5.23
47+0.80.63+29×
50.29+0.53+2.71
0.89×
0.75+0.89×
0.250.5×
11×
8
8.2×
0.9-2.7×
0.38300-0.24-6.76
0.2×
0.7=0.01×
100=38.1÷
10=40×
0.8=0.07×
5=0.12×
0.08=
9.2×
0.35.1×
3.86.1×
9.63.2×
2.15
0.19×
0.30.27×
7.10.83×
0.420.77×
8.79
54×
0.68+0.92.8+0.75×
58.7+3.3+31.3
6.3×
0.92+6.3×
0.0812.5×
2.1×
0.08+0.21×
0.04350-0.56-7.44
7=7×
0.3=0.03×
10=1.5÷
18.1×
1000=6×
0.8=0.002×
0.04=1.5×
0.02=
0.28×
0.025.5×
0.427.5×
0.530.8×
4.98
0.80.54×
0.940.44×
1.80.87×
49.2
0.29×
3.3+0.050.83+74×
0.41.1+4.2+88.9
2.3×
3.1+2.3×
6.90.5×
0.4×
4
8.1×
0.5+3×
0.2110-0.41-5.59
9=6×
0.4=0.002×
1000=3.9÷
8.12×
100=40×
0.09=0.008×
4=0.16×
0.07=
5.2×
0.050.2×
9.45.7×
0.80.53×
3
0.24×
0.20.35×
15.3×
0.720.47×
95.1
0.01×
0.75+0.060.79+3.6×
80.42+5.7+2.58
0.39×
33+0.39×
670.5×
0.58×
0.08+0.47×
0.05970-0.58-3.42
8=3×
0.4=0.7×
10=55.3÷
37×
1000=4×
0.06=0.005×
0.04=0.7×
20=
4.3×
0.079×
1.50.25×
0.160.42×
12
0.22×
0.047.6×
0.370.46×
0.614.1×
12.5
0.77×
0.56+1.20.52+80×
20.37+7.7+7.63
0.6×
55+0.6×
4525×
9.9×
0.6-1×
0.3180-2.6-27.4
4=3×
0.3=0.3×
1000=4.33÷
7.8×
100=0.5×
0.09=0.09×
0.5=0.15×
0.8=
0.067×
0.470.12×
7.70.7×
51.2
8.5×
0.053.9×
9.42.5×
0.280.13×
13.5
58×
0.23+0.099.1+0.86×
0.23.4+0.35+16.6
2.5+2.4×
7.55×
7.2×
2
0.08-0.23×
0.03510-9.5-90.5
4=6×
0.3=0.006×
10=4÷
0.076×
0.07=0.005×
7=0.03×
0.4=
2.5×
0.54.7×
3.92.5×
0.980.93×
1
0.13×
0.730.5×
9.90.94×
40.4
0.72×
6.8+0.056.8+4.6×
0.50.53+8.3+5.47
5.6×
80+5.6×
2012.5×
59×
0.4
6.9×
0.6+2.8×
0.33900-0.73-1.27
0.4=0.004×
100=6.55÷
10.7×
1000=1×
0.2=0.5×
30=0.01×
0.69×
0.030.93×
7.21.4×
0.830.45×
35.2
0.62×
0.030.61×
3.55.2×
0.730.87×
5.64
24×
0.37+10.82+7.3×
84.4+0.89+55.6
7.6×
87+7.6×
131.25×
0.64×
0.09+0.36×
0.026500-4.5-45.5
6=6×
0.6=0.007×
10=0.099÷
42×
10=0.6×
0.7=0.007×
0.07=1.4×
6=
0.52×
0.050.12×
7.49.6×
6.30.77×
38.1
0.83×
0.085.1×
7.34.3×
79.3×
92.6
84×
99+0.110.88+5.4×
0.30.8+0.95+6.2
4.9+0.77×
5.1125×
27×
0.68×
0.05-0.23×
0.04460-2.2-77.8
2=8×
0.9=0.8×
10=7.6÷
0.761×
0.02=0.002×
0.2=1.3×
5.9×
0.30.72×
0.480.73×
0.470.82×
49.3
8.7×
0.20.84×
9.50.57×
2.50.5×
1.57
3.1+0.76.2+0.27×
40.69+3.3+5.31
0.41+0.64×
0.592.5×
0.74×
0.08-0.27×
0.04980-0.76-9.24
9=7×
0.9=0.05×
1000=0.623÷
4.65×
100=0.01×
0.08=0.007×
2=0.08×
30=
0.51×
0.055.2×
0.270.77×
0.110.15×
57.7
6.4×
0.039.4×
8.30.79×
0.275.4×
8.4
9.5×
0.45+0.110.25+0.17×
67.6+5.7+52.4
0.34×
56+0.34×
4412.5×
9×
9.7×
0.2710-9.8-10.2
0.3=0.005×
100=17.3÷
7.16×
100=5×
0.4=0.03×
3=1.1×
0.84×
0.460.15×
6.20.77×
70.3
9.8×
0.060.78×
0.690.27×
4.10.67×
11.6
4.5+0.15.4+76×
70.57+2.7+4.43
7.1×
5.8+7.1×
4.212.5×
0.17×
0.04
6.7×
0.5+3.7×
0.2790-0.25-8.75
0.5×
0.7=0.2×
100=0.965÷
26.7×
0.03=0.008×
7=0.3×
0.99×
0.29.8×
3.65.1×
7.12.2×
6.11
4.6×
0.90.76×
8.29.9×
3.93.9×
1.12
0.93+0.068.1+94×
0.56.7+4.5+33.3
3.8×
5+3.8×
525×
3.1×
0.07-0.24×
0.047800-0.28-0.72
7=6×
0.4=0.09×
100=0.73÷
5.42×
1000=0.3×
0.6=0.2×
500=0.03×
40=
0.35×
0.20.93×
0.470.29×
3.20.67×
41.9
0.80.46×
0.820.41×
0.127.8×
97
0.25×
9.7+0.70.37+3.8×
0.70.55+1.9+8.45
4.4×
0.75+4.4×
0.250.05×
81×
0.76×
0.08+0.35×
0.049600-1.5-78.5
8=2×
0.5=0.04×
10=2.96÷
0.688×
1000=0.07×
0.06=0.03×
0.2=0.15×
0.33×
0.50.11×
6.90.12×
9.24
0.46×
0.23.3×
0.713.3×
0.544×
17.1
0.96×
42+0.70.49+6.9×
29.5+3.7+0.5