初一数学上册科学计数法和近似数81Word文档下载推荐.docx
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初一数学上册科学计数法和近似数81Word文档下载推荐.docx
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107-3×
1072.1×
1086.9×
8.6×
1028.38×
1069×
107-3.42×
105
0.0000792(精确到万分位)1.3938(精确到个位)
8.51851(精确到0.1)0.0638(精确到0.01)
(-—)2(-2)3(-3)452
5
60000010000000780000-2930000
-600050000003900000-1380000000
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108-7.12×
106
-8.5×
1058.7×
1045.8×
1065.12×
107
0.000943(精确到万分位)1609.14(精确到个位)
28.2583(精确到0.001)0.0763(精确到0.01)
6
(-—)2(-1)2(-3)383
-1400060000009900000-63700
500030039000-660000000
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1037×
102-5.5×
1078.4×
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105-1.73×
106-7.3×
103-9.35×
0.0000844(精确到万分位)0.785782(精确到十位)
85.0008(精确到0.01)0.00783(精确到0.1)
(-—)3(-3)3(-1)352
2
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-11000900280000-960000
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1074.99×
102-8.4×
106-9.3×
0.000864(精确到万分位)3.79405(精确到十位)
99.13(精确到0.1)0.0555(精确到0.001)
(-—)2(-4)3(-4)292
40002000006700-3180000
-2000000-60000170000-922000000
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102-5.57×
102
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1081.32×
0.0000523(精确到万分位)90119.6(精确到个位)
88.0688(精确到0.01)0.0573(精确到0.1)
1
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-80021000006500-782000
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1042×
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1.3×
1047.01×
1046.3×
106-4.79×
0.000805(精确到万分位)97.7742(精确到十位)
9.73125(精确到0.01)0.00653(精确到0.01)
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17000-1005300-64800
12000-44000000046000-70700
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104
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0.0000631(精确到万分位)1.25342(精确到十位)
7.95646(精确到0.01)0.0867(精确到0.1)
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1200000300000003100000-1870000000
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108-7×
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103-4.67×
1072.6×
1064.33×
0.000689(精确到万分位)5.63068(精确到十分位)
26.4405(精确到0.01)0.00871(精确到0.001)
(-—)3(-1)2(-1)372
2000000-3009100-48500000
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1054.08×
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104-6.05×
0.0000946(精确到万分位)0.577173(精确到十位)
17.9472(精确到0.1)0.00833(精确到0.1)
(-—)3(-2)2(-3)253
12000000-20000085000000-84500000
11000000-60000002200000-762000000
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3×
1063.68×
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0.0000704(精确到万分位)47425(精确到十位)
0.178298(精确到0.001)0.0687(精确到0.01)
(-—)2(-8)2(-3)482
-150000-1002000-3710000
-1400000370000002500000-649000
9×
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1078.03×
0.0000752(精确到万分位)63.0736(精确到十分位)
0.828503(精确到0.001)0.0852(精确到0.01)
(-—)3(-6)2(-2)333
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9000-33000000097000000-232000
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104-6×
102-5.1×
103-2.11×
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105-9.4×
1063.92×
0.000529(精确到万分位)2.13912(精确到十分位)
0.181117(精确到0.01)0.00938(精确到0.01)
(-—)3(-9)2(-2)493
-19000100000002100-52900
20000-48000004400-43300
1025×
1045.5×
108-5.21×
6.4×
104-6.82×
1043.9×
107-3.13×
0.00075(精确到万分位)7649.54(精确到十分位)
0.443199(精确到0.001)0.0504(精确到0.001)
(-—)3(-10)2(-3)283
-18000000400520000-355000000
-12000000-500000008100000-8220000000
1035×
102-8.2×
1032.25×
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103-4.7×
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104-8.24×
0.00084(精确到万分位)0.438884(精确到个位)
0.58408(精确到0.001)0.00838(精确到0.1)
(-—)3(-7)3(-2)463
15000000-10051000000-9000000
1300-200000560000-896000
103-5×
1043.1×
1042.73×
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1041.71×
1033.9×
103-6.9×
0.000942(精确到万分位)775.566(精确到十分位)
50.042(精确到0.001)0.0924(精确到0.001)
(-—)2(-10)3(-3)393
1800-1000056000000-60400
-160000-8000600000-941000
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106-4.9×
1088.14×
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105-2.08×
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1059.37×
0.0000812(精确到万分位)0.565948(精确到十位)
0.136561(精确到0.01)0.0585(精确到0.001)
(-—)3(-3)3(-4)322
20000000-7000440000-901000
-800240024000000-870000000
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108-6×
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108-4.27×
103-9×
1043.74×
0.000937(精确到万分位)8.7803(精确到十分位)
0.790331(精确到0.01)0.00532(精确到0.1)
(-—)3(-1)2(-2)223
900000020000009500000-20100000
1400-48000034000-49000
105-1×
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0.000563(精确到万分位)0.602436(精确到十位)
3.76933(精确到0.01)0.00555(精确到0.001)
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100
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