3.829里面有多少个0.001?
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解:3.829里面有( 3829 )个0.001
∵已知需求出3.829里面有多少个0.001
1个0.001 = 1 × 0.001 = 0.001
2个0.001 = 0.001 + 0.001 = 2 × 0.001 = 0.002
∴设3.829里面有x个0.001
x × 0.001 = 3.829
(1/1000)x = (3×1000+829)/1000
(1/1000)x = 3829/1000
x = 3829/1000 ÷ 1/1000
x = 3829/1000× 1000
∴x = 3829
答:3.829里面有3829个0.001
∵已知需求出3.829里面有多少个0.001
1个0.001 = 1 × 0.001 = 0.001
2个0.001 = 0.001 + 0.001 = 2 × 0.001 = 0.002
∴设3.829里面有x个0.001
x × 0.001 = 3.829
(1/1000)x = (3×1000+829)/1000
(1/1000)x = 3829/1000
x = 3829/1000 ÷ 1/1000
x = 3829/1000× 1000
∴x = 3829
答:3.829里面有3829个0.001
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