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1-6年级数学计算必备数值大全
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2024-02-29
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1-6年级数学计算必备数值大全


简介：
一、常用分数、小数的互化 1/2=0.5=50% 1/3≈0.333=33.3% 2/3≈0.667=66.7% 1/4=0.25=25% 3/4=0.75=75% 1/5=0.2=20% 2/5=0.4=40% 3/5=0.6=60% 4/5=0.8=80% 1/6≈0.167=16.7% 5/6≈0.833=83.3% 1/8=0.125=12.5% 3/8=0.375=37.5% 5/8=0.625=62.5% 7/8=0.875=87.5% 1/9≈0.111=11.1% 1/10=0.1=10% 1/20=0.05=5% 3/20=0.15=15% 7/20=0.35=35% 9/20=0.45=45% 11/20=0.55=55% 13/20=0.65=65% 17/20=0.85=85% 19/20=0.95=95% 1/16=0.0625=6.25% 1/32=0.03125=3.125% 1/64=0.015625=1.5625% 1/7=0.142857142857…≈0.143=14.3% 2/7=0.285714285714…≈0.286=28.6% 3/7=0.428571428571…≈0.429=42.9% 4/7=0.57142857142…≈0.571=57.1% 5/7=0.714285714285…≈0.714=71.4% 6/7=0.857142857142…≈0.857=85.7%