把下列小数化成分数。 3.7522…=()3.757272…
展开全部
3.7522…=(3又677/900)
3.757272…=(3又833/1100)
计算过程:
(1)3.7522…
=3+0.75+0.0022....
=3+3/4+2/900
=3+(3×225)/(4×225)+2/900
=3+675/900+2/900
=3+677/900
=(3又677/900)
(2)3.757272…
=3+0.75+0.007272....
=3+3/4+72/9900
=3+3/4+8/1100
=3+(3×275)/(4×275)+8/1100
=3+825/1100+8/1100
=3+833/1100
=(3又833/1100)
3.757272…=(3又833/1100)
计算过程:
(1)3.7522…
=3+0.75+0.0022....
=3+3/4+2/900
=3+(3×225)/(4×225)+2/900
=3+675/900+2/900
=3+677/900
=(3又677/900)
(2)3.757272…
=3+0.75+0.007272....
=3+3/4+72/9900
=3+3/4+8/1100
=3+(3×275)/(4×275)+8/1100
=3+825/1100+8/1100
=3+833/1100
=(3又833/1100)
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