9.99×22.2+33.3×3.34 1/3+1/15+1/35+1/63+1/99+1/143
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9.99×22.2+33.3×3.34 1/3+1/15+1/35+1/63+1/99+1/143
![9.99×22.2+33.3×3.34 1/3+1/15+1/35+1/63+1/99+1/143](/uploads/image/z/4338360-0-0.jpg?t=9.99%C3%9722.2%2B33.3%C3%973.34+1%2F3%2B1%2F15%2B1%2F35%2B1%2F63%2B1%2F99%2B1%2F143)
9.99×22.2+33.3×3.34
=33.3×6.66+33.3×3.34
=33.3×(6.66+3.34)
=33.3×10
=333
=33.3×6.66+33.3×3.34
=33.3×(6.66+3.34)
=33.3×10
=333
9.99×22.2+33.3×3.34 1/3+1/15+1/35+1/63+1/99+1/143
简便计算(两题)9.99*2.22+33.3*3.34=1/3+1/15+1/35+1/63+1/99+1/143=
简便计算:9.99x22.2+33.3x3.34 1/3+1/15+1/35+1/63+1/99+1/143
1/15+1/35+1/63+1/99+1/143
简算:3/1+15/1+35/1+63/1+99/1+143/1+195/1=?
1/3+1/15+1/35+1/63+1/99+1/143+1/195简便
(1/3+1/15+1/35+1/63+1/99+1/143)*80
1/3+1/15+1/35+1/63+1/99+1/143的简便运算
1/3+1/15+1/35+1/63+1/99+1/143
3/1+1/15+1/35+1/63+1/99+1/143 简便计算
计算题:1/3+1/15+1/35+1/63+1/99+1/143
1/3+1/15+1/35+1/63+1/99+1/143=?怎样简便计算?