4.86+2.4+5.14+6.6简便算法、脱式计算.怎样做?
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![4.86+2.4+5.14+6.6简便算法、脱式计算.怎样做?](/uploads/image/z/1970359-7-9.jpg?t=4.86%2B2.4%2B5.14%2B6.6%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E3%80%81%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97.%E6%80%8E%E6%A0%B7%E5%81%9A%3F)
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4.86+2.4+5.14+6.6简便算法、脱式计算.怎样做?
4.86+2.4+5.14+6.6简便算法、脱式计算.怎样做?
4.86+2.4+5.14+6.6简便算法、脱式计算.怎样做?
简单算法:
(4.86+5.14)+(2.4+6.6)
=10+9
=19
脱式计算:
4.86+2.4+5.14+6.6
=7.26+5.14+6.6
=12.4+6.6
=19
简便的等我慢慢说:4.86+2.4+5.14+6.6 =(4.86+5.14)+(2.4+6.6) =10+9
=19 ...
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简便的等我慢慢说:4.86+2.4+5.14+6.6 =(4.86+5.14)+(2.4+6.6) =10+9
=19
脱式计算:
4.86+2.4+5.14+6.6
=7.26+5.14+6.6
=12.4+6.6
=19
收起
(4.86+5.14)+(2.4+6.6)
=10+9
=19