初一数学上册科学计数法和近似数68Word格式文档下载.docx
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初一数学上册科学计数法和近似数68Word格式文档下载.docx
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106-8×
106-2.9×
106-9.13×
107
9.2×
1031.23×
1062.9×
104-3.78×
0.0000922(精确到万分位)7.76469(精确到十位)
0.437707(精确到0.01)0.00574(精确到0.01)
4
(-—)3(-8)3(-1)413
3
-11000000-400033000-90500000
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9×
108-4×
1048.5×
1029.61×
106
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105-8.38×
1033.6×
103-4.92×
105
0.0000572(精确到万分位)794.253(精确到个位)
9.3329(精确到0.001)0.0882(精确到0.1)
(-—)2(-7)2(-2)462
-800-300006700000-422000
-1800000046000520000-272000
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103-4×
105-1.1×
1089.31×
-5×
1075.35×
108-1.3×
104-4.76×
0.000754(精确到万分位)131.76(精确到个位)
47.8142(精确到0.1)0.00819(精确到0.001)
5
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20000-200190000-7430000
15000000-210053000000-321000
5×
103-7×
1068.1×
1068.55×
2.2×
105-6.61×
103-6.2×
107-9.93×
102
0.0000722(精确到万分位)69.3607(精确到个位)
93.0733(精确到0.001)0.0624(精确到0.001)
(-—)2(-8)2(-3)353
1200000400002900-752000000
-1700000-32000000032000000-66200
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105-9×
104-5.3×
1052.78×
3.5×
1075.41×
1075×
1072.13×
0.000821(精确到万分位)4035.51(精确到个位)
3.12254(精确到0.1)0.0503(精确到0.01)
(-—)3(-9)3(-3)292
1500000-5000000080000-6600000
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3×
104-4×
1056.3×
1053.44×
7.7×
105-3.97×
106-7.4×
1066.79×
0.000765(精确到万分位)39.4578(精确到个位)
2.74654(精确到0.01)0.0594(精确到0.01)
(-—)3(-6)3(-2)222
8000400000003000000-236000000
-1400015000001000-17400000
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1031×
107-8.7×
107-9.88×
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1056.78×
107-7.4×
104-9.42×
0.000582(精确到万分位)98235.5(精确到个位)
59.3346(精确到0.001)0.0898(精确到0.1)
(-—)3(-6)3(-3)313
1800800460000-8560000
500000038000007000-51100000
1039×
108-7.2×
103-3.37×
9.4×
1037.96×
107-4.2×
1036.72×
0.0006(精确到万分位)89.2484(精确到个位)
0.309824(精确到0.01)0.087(精确到0.1)
(-—)3(-2)2(-2)282
-18000500000003800000-82800000
-140000-22000000087000000-43400
102-2×
106-8.1×
1043.19×
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108-4.78×
1034.2×
107-5.86×
0.0000653(精确到万分位)3522.34(精确到十分位)
0.322147(精确到0.001)0.0941(精确到0.1)
6
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-1200-4000064000-942000000
-2000-23000045000-1090000
1×
104-7×
105-3.1×
106-5.55×
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103-7.11×
102-4.4×
1045.7×
0.000994(精确到万分位)478.892(精确到十位)
72.3329(精确到0.001)0.00703(精确到0.1)
(-—)2(-7)3(-4)453
-18000007000005800000-595000
-100-19000730000-86000000
-2×
105-7×
1023.1×
102-5.18×
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1041.78×
105-1.8×
1035.94×
0.000529(精确到万分位)574.97(精确到十位)
5.65284(精确到0.01)0.0937(精确到0.1)
(-—)2(-2)2(-2)262
4000050080000000-3990000000
3000000-32001300000-8250000
1063×
1089.9×
1062.7×
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1025.2×
106-8.2×
1025.83×
103
0.0000969(精确到万分位)0.377415(精确到十分位)
2.23853(精确到0.01)0.00853(精确到0.001)
(-—)3(-5)3(-1)412
-1800-40000006000-16000000
100-2100000049000000-75000
1038×
105-4.3×
1068.36×
6×
1021.82×
1069.95×
0.000549(精确到万分位)5.82274(精确到十位)
0.970222(精确到0.01)0.0808(精确到0.001)
(-—)2(-7)2(-2)352
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1500000-400071000-6360000
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1089×
1087.1×
104-7.22×
1.1×
1046.84×
108-9.2×
106-1.02×
0.000685(精确到万分位)6.13238(精确到个位)
89.2004(精确到0.001)0.00977(精确到0.1)
(-—)2(-8)2(-4)2102
-500-500000061000000-16900000
1300000120000000590000-415000
107-4×
1078.5×
1079.11×
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104-4.04×
1037.8×
106-3.05×
0.000591(精确到万分位)49.4599(精确到十位)
4.94531(精确到0.01)0.0774(精确到0.1)
(-—)3(-6)3(-1)232
-15000009000009700000-58800
-1000000-2008600-14100000
-9×
103-1×
104-6.95×
5.1×
1051.03×
104-6.3×
1037.4×
0.000824(精确到万分位)169.03(精确到十分位)
6.62636(精确到0.001)0.0826(精确到0.1)
(-—)3(-9)3(-2)383
14000-700000005200-35700
8000300039000-9050000000
1084×
105-2.3×
104-4.37×
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104-4.9×
105-6.74×
0.0000914(精确到万分位)1.9484(精确到十分位)
0.317397(精确到0.1)0.00709(精确到0.001)
(-—)2(-10)2(-1)232
8000070080000000-122000
-9000000-430000041000000-6920000
1066×
1047.9×
1057.24×
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1071.63×
108-8.8×
107-1.61×
0.0000649(精确到万分位)668.567(精确到个位)
0.815262(精确到0.01)0.00709(精确到0.01)
(-—)3(-2)2(-2)3103
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