初一数学上册科学计数法和近似数26Word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26Word格式文档下载.docx
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-8×
104-1×
1031.7×
104-4.98×
104
6×
105-9.16×
1056.5×
106-8.98×
0.000715(精确到万分位)6398.93(精确到个位)
7.21367(精确到0.1)0.0785(精确到0.001)
(-—)3(-2)2(-2)293
4
-300004000073000000-833000
-1200-2300000690000-25400000
4×
1036×
1054.5×
1081.77×
-5.8×
105-2.28×
102-4.3×
1087.56×
0.0000863(精确到万分位)57794(精确到个位)
0.515639(精确到0.1)0.00514(精确到0.01)
(-—)3(-3)2(-3)492
5
8000000-1000004600-58100
19000-900000007400-85600000
1029×
1085×
106-9.11×
106
-7.7×
1056.69×
1068.5×
1054.32×
108
0.000861(精确到万分位)2.70163(精确到十位)
3.33733(精确到0.1)0.00521(精确到0.001)
(-—)2(-4)2(-3)253
2
-15001000400-7230000
-1800000-2000160000-9460000000
7×
102-1×
1047.2×
1078.74×
-4.8×
107-8.42×
104-2.8×
1042.46×
0.0000622(精确到万分位)6.93838(精确到个位)
59.7141(精确到0.001)0.00777(精确到0.01)
(-—)2(-3)3(-4)413
-110000020006600-972000
-1500000050000000880000-7680000
107-2×
1074×
107-3.15×
-4.9×
1063.62×
1046.8×
1061.04×
107
0.000643(精确到万分位)5619.66(精确到个位)
1.34371(精确到0.001)0.0621(精确到0.001)
(-—)2(-10)3(-4)433
20000004000650000-604000000
-40003500800-5630000000
5×
103-5×
103-3.9×
1043.34×
-3.2×
105-1.88×
102-2×
1053.85×
0.00051(精确到万分位)753.414(精确到十位)
22.725(精确到0.1)0.00623(精确到0.01)
(-—)3(-10)3(-2)3103
1100040000005100000-73200
-110000-47000004400-20900
2×
1058×
108-9.2×
108-8.47×
1.8×
1055.85×
1064.9×
1038.14×
0.0000928(精确到万分位)10017.5(精确到十位)
7.96922(精确到0.01)0.0769(精确到0.1)
(-—)3(-7)3(-3)2102
-60003000000970000-642000
-40035000005500000-4480000000
-7×
102-3×
1023.3×
102-6.84×
1046×
1044×
1061×
0.000612(精确到万分位)82463.7(精确到十分位)
0.807416(精确到0.1)0.00547(精确到0.001)
(-—)2(-7)2(-1)213
-8000000-90000060000-8510000000
13000001100000006600000-790000
105-2.8×
1089.65×
7.9×
1052.49×
105-3.7×
105-4.83×
0.000995(精确到万分位)2.95818(精确到个位)
87.2542(精确到0.01)0.00671(精确到0.001)
(-—)2(-7)3(-2)492
130050090000000-94000000
2000390000420000-504000
-9×
104-3×
1081.6×
102-6.87×
-4.6×
107-7.67×
1058.4×
1023.67×
0.0000586(精确到万分位)0.729616(精确到个位)
1.80865(精确到0.1)0.0642(精确到0.01)
(-—)2(-2)3(-2)423
-3000009000000890000-896000000
8000000-240008100-434000
-2×
103-2×
1045.6×
1081.46×
1×
107-8.79×
107-4.8×
1055.02×
0.0000566(精确到万分位)0.931204(精确到个位)
0.824398(精确到0.01)0.053(精确到0.1)
(-—)3(-5)2(-3)362
-300000200000059000-4420000000
1700-4500000056000-240000000
1084×
102-2.6×
1042.79×
6.3×
107-5.22×
1061.1×
1085.35×
103
0.0000647(精确到万分位)1.30661(精确到十分位)
5.00602(精确到0.001)0.00901(精确到0.01)
(-—)3(-7)2(-1)313
-9000000-70003900000-4410000
11000-410011000-6250000
1062×
1031.6×
1063.1×
5.6×
1064.61×
108-7.9×
107-6.52×
0.0000723(精确到万分位)197.249(精确到个位)
0.568254(精确到0.1)0.00814(精确到0.001)
(-—)2(-6)3(-3)432
-20070000009800-7460000000
9000-10091000000-1650000
103-1×
104-7.8×
1064.73×
-9.6×
102-6.79×
1026.9×
104-2.65×
0.0000579(精确到万分位)0.368729(精确到个位)
0.732683(精确到0.1)0.00697(精确到0.1)
6
(-—)2(-5)3(-3)2102
-170040000210000-46000
-400-39000000038000-2950000
105-1×
105-2.9×
1064.98×
1083.34×
1051.3×
103-8.84×
0.000814(精确到万分位)8.49375(精确到十位)
0.976155(精确到0.1)0.085(精确到0.1)
(-—)2(-4)2(-1)452
-1500000-70000002700-534000
-1000-260001300000-4660000
107-1.5×
1065.15×
4.7×
105-2.79×
104-3.2×
1081.16×
0.000911(精确到万分位)0.964561(精确到十位)
35.7377(精确到0.01)0.0879(精确到0.1)
(-—)3(-10)3(-4)372
1700000-9000000055000000-42300000
110000470000300000-698000
106-2×
1079.4×
1024.86×
103-9.04×
1045.9×
106-7.63×
0.00082(精确到万分位)62988.1(精确到个位)
12.0353(精确到0.1)0.0824(精确到0.001)
(-—)3(-5)2(-4)253
-50008000520000-9960000
-7008000052000000-54300
8×
106-5×
1079.8×
103-8.05×
3.9×
1037.44×
1041.1×
108-2.44×
0.000842(精确到万分位)8970.81(精确到个位)
50.4955(精确到0.01)0.0526(精确到0.1)
(-—)2(-10)2(-2)383
-140000-6000000910000-4800
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