1. 在○里填上“>”“<”或“=”。
96000○10万
780000○78万
390000○40万
600000000○6亿
4596300○596320
98000○890000
1900000○200000
1亿○99999999
5万○499999
782000○2870000
256000○25万
39200000○40亿
78200○28700
4780333○1239562
9亿○9999万
二百万○200000
39999999○40000000
5023000○5032000
96000○10万
780000○78万
390000○40万
600000000○6亿
4596300○596320
98000○890000
1900000○200000
1亿○99999999
5万○499999
782000○2870000
256000○25万
39200000○40亿
78200○28700
4780333○1239562
9亿○9999万
二百万○200000
39999999○40000000
5023000○5032000
答案
<
=
<
=
>
<
>
>
<
<
>
<
>
>
>
>
<
<
=
<
=
>
<
>
>
<
<
>
<
>
>
>
>
<
<
2. 把下面各数改写成用“万”或“亿”作单位的数。
4520000 = (
56800000000 = (
7810000 = (
30400000000 = (
2070000 = (
6000000000 = (
94350000 = (
15000000000 = (
2710000 = (
4500000000 = (
1000000 = (
3980000000 = (
4520000 = (
452
)万56800000000 = (
5680
)亿7810000 = (
7810
)万30400000000 = (
3040
)亿2070000 = (
207
)万6000000000 = (
600
)亿94350000 = (
9435
)万15000000000 = (
1500
)亿2710000 = (
271
)万4500000000 = (
450
)亿1000000 = (
100
)万3980000000 = (
398
)亿答案
2. 452 5680 7810 3040 207 600 9435 1500 271 450 100 398
3. 用“万”或“亿”作单位,写出下面各数的近似数。
4526000≈(
23740000≈(
58320≈(
61950000≈(
74080≈(
824699900000≈(
836160≈(
3472865000≈(
50018000≈(
899999999≈(
9505000≈(
23950009800≈(
4526000≈(
453
)万23740000≈(
2
)亿58320≈(
6
)万61950000≈(
6
)亿74080≈(
7
)万824699900000≈(
8247
)亿836160≈(
84
)万3472865000≈(
35
)亿50018000≈(
5002
)万899999999≈(
9
)亿9505000≈(
951
)万23950009800≈(
240
)亿答案
3. 453 2 6 6 7 8247 84 35 5002 9 951 240
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