初一数学上册科学计数法和近似数204Word下载.docx
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初一数学上册科学计数法和近似数204Word下载.docx
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104-6×
105-6.3×
106-9.25×
107
6×
1032.57×
1035.9×
1053.67×
103
0.000803(精确到万分位)6.18097(精确到十分位)
6.00076(精确到0.1)0.0696(精确到0.001)
3
(-—)2(-7)3(-2)442
2
1600000500000450000-537000
500000060006600000-5770000000
7×
105-7×
106-5.4×
105-3.68×
104
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108-5.33×
103-1.8×
107-9.98×
0.00085(精确到万分位)0.858343(精确到个位)
5.40721(精确到0.01)0.0838(精确到0.1)
1
(-—)3(-7)2(-1)213
-18007000790000-660000000
1700000-1400000019000000-88100000
-9×
1046×
1021×
104-8.7×
2.6×
1032.8×
1063.8×
108-7.98×
0.000838(精确到万分位)8760.53(精确到个位)
31.5647(精确到0.01)0.00899(精确到0.1)
(-—)2(-10)2(-3)422
600000030000025000000-54400
8000-4800000800-79400000
8×
103-7×
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1056.12×
106
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102-4.23×
103-8.6×
1072.84×
0.0000756(精确到万分位)24.1999(精确到个位)
32.2307(精确到0.1)0.00581(精确到0.001)
(-—)2(-3)2(-2)243
4
1200000-500000060000000-32200
300000-31000058000-8440000
1037×
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104-1.8×
108
3.6×
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106-1.3×
108-8.6×
0.000937(精确到万分位)35802.5(精确到十分位)
0.588459(精确到0.01)0.0857(精确到0.001)
(-—)3(-7)3(-2)252
18000-9000063000-6040000000
140000200008100000-6350000000
107-9×
1079.5×
105-4.58×
1046.45×
1082.6×
1028.72×
0.0000764(精确到万分位)652.189(精确到个位)
4.8797(精确到0.01)0.00585(精确到0.1)
(-—)2(-2)2(-2)422
170030064000-79000000
-2000-27000021000-44600000
105-5×
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108-7.51×
1088.7×
1069.04×
0.000608(精确到万分位)54992.6(精确到个位)
98.1509(精确到0.001)0.0621(精确到0.1)
(-—)2(-4)2(-2)3102
15000000-5000009200000-6500
-180000-38000020000-3460000000
108-2×
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1086.74×
102-5.6×
102-2.65×
0.0000951(精确到万分位)52.0231(精确到个位)
0.426925(精确到0.001)0.0655(精确到0.001)
(-—)2(-9)2(-4)383
-120000-6000000300000-331000000
13000000440056000-9520000
9×
104-5×
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107-5.47×
104-3×
106-3.94×
0.0000903(精确到万分位)60214.8(精确到个位)
6.82055(精确到0.1)0.00891(精确到0.001)
(-—)3(-10)3(-1)312
6000009007500-43900000
-1800000-250008800-590000000
-8×
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104-8.27×
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105-2.74×
0.0000983(精确到万分位)0.657526(精确到十位)
12.9438(精确到0.01)0.00971(精确到0.01)
(-—)3(-10)2(-3)423
-80000200080000-9230000
400000-3500000180000-50500
1068×
1028.6×
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1047.51×
1024.5×
1076.57×
0.0000656(精确到万分位)902.68(精确到十分位)
4.05921(精确到0.001)0.0593(精确到0.1)
(-—)3(-10)2(-1)482
-60000004000000210000-72800
9000-40006700-39500
-3×
1059×
108-3.9×
1035.41×
7.7×
104-9.43×
104-4.6×
102-6.16×
0.000919(精确到万分位)1157.64(精确到个位)
0.125974(精确到0.1)0.00881(精确到0.1)
(-—)3(-7)2(-2)292
100004000090000-576000
13000000-800006000-83100
1087×
102-2.5×
1054.99×
-6.9×
105-9.65×
102-7×
1039.17×
0.0000732(精确到万分位)8.32918(精确到十分位)
4.60078(精确到0.1)0.00786(精确到0.1)
(-—)2(-5)2(-1)253
-200005000000082000-431000
15000350000009900000-2100000
103-2×
103-7.2×
1056.01×
108-9.49×
107-2.3×
1061.07×
0.00085(精确到万分位)0.58978(精确到十位)
4.81646(精确到0.1)0.00565(精确到0.001)
(-—)3(-1)2(-2)3103
1600-500670000-237000
-19000004800000007400-51000000
2×
108-6×
1036.3×
106-4.72×
3.3×
1057.86×
1044×
106-1.01×
0.000597(精确到万分位)68017.7(精确到十位)
8.479(精确到0.01)0.0667(精确到0.001)
(-—)3(-4)2(-3)483
1600090000008000000-2630000
1000040000000500000-5270000000
5×
1053×
1086.3×
1026.8×
103-4.17×
1041.6×
103-8.27×
0.000617(精确到万分位)347.746(精确到十分位)
47.9533(精确到0.1)0.0841(精确到0.01)
(-—)2(-4)2(-3)262
-700-900000003000-63400000
140008000000067000000-711000000
1043×
1046.8×
1023.42×
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103-4.08×
106-4.9×
1056.95×
0.000738(精确到万分位)954.86(精确到十分位)
7.1281(精确到0.001)0.0066(精确到0.1)
(-—)3(-7)3(-2)393
-2000080000480000-6890000
15000000210010000000-888000000
1051×
106-8.2×
103-1.9×
9.1×
1063.83×
108-7.3×
107-2.71×
0.0000903(精确到万分位)0.316932(精确到十分位)
32.3637(精确到0.001)0.00929(精确到0.01)
(-—)2(-2)3(-2)232
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