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多位数的展开式练习
多位数的展开式 · 1–12
把每个数写成展开式，或把展开式写成一个数。
3.90,000 + 9,000 + 900 + 1 =
4.30,000 + 9,000 + 500 + 8 =
5.50,000 + 900 + 40 + 4 =
8.60,000 + 100 + 70 + 9 =
9.50,000 + 100 + 50 + 1 =
10.20,000 + 1,000 + 300 + 4 =
11.80,000 + 500 + 70 + 9 =
答案 — 多位数的展开式练习
多位数的展开式
2.30,000 + 1,000 + 70 + 6
6.20,000 + 3,000 + 300 + 40
7.50,000 + 9,000 + 70 + 2
12.60,000 + 3,000 + 700 + 20
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