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受欢迎的初等代数 >

因数 900

解答

正因数

900

解答

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900

求解步骤

900

找到

900

的质因数:

2, 2, 3, 3, 5, 5

900

900

除以

2900 = 450 \cdot 2

= 2 \cdot 450

450

除以

2450 = 225 \cdot 2

= 2 \cdot 2 \cdot 225

225

除以

3225 = 75 \cdot 3

= 2 \cdot 2 \cdot 3 \cdot 75

75

除以

375 = 25 \cdot 3

= 2 \cdot 2 \cdot 3 \cdot 3 \cdot 25

25

除以

525 = 5 \cdot 5

= 2 \cdot 2 \cdot 3 \cdot 3 \cdot 5 \cdot 5

2, 3, 5

都是质数，因此无法进一步因数分解

= 2 \cdot 2 \cdot 3 \cdot 3 \cdot 5 \cdot 5

乘以

900

的质因数:

4, 6, 12, 9, 18, 36, 10, 20, 15, 30, 60, 45, 90, 180, 25, 50, 100, 75, 150, 300, 225, 450

2 \cdot 2 = 4

2 \cdot 3 = 6

4, 6, 12, 9, 18, 36, 10, 20, 15, 30, 60, 45, 90, 180, 25, 50, 100, 75, 150, 300, 225, 450

4, 6, 12, 9, 18, 36, 10, 20, 15, 30, 60, 45, 90, 180, 25, 50, 100, 75, 150, 300, 225, 450

添加质因数:

2, 3, 5

将 1 和数字

900

自身相加

1, 900

900

的因数

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900

流行的例子

- 16/9 + 8/3

l o n g s u b 180 - 69

mixednumber 19/30

mi x e d n u mb er \frac{19}{30}

(13/15) / (7/10)

tofraction-1.28

t o f r a c t i o n - 1.28