99.99x22.22+33.33x33.34简便计算
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99.99x22.22+33.33x33.34简便计算
![99.99x22.22+33.33x33.34简便计算](/uploads/image/z/6688694-38-4.jpg?t=99.99x22.22%2B33.33x33.34%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
99.99×22.22+33.33×33.34
=33.33×3×22.22+33.33×33.34
=33.33×66.66+33.33×33.34
=33.33×(66.66+33.34)
=33.33×100
=3333
再问: 为啥这样做
=33.33×3×22.22+33.33×33.34
=33.33×66.66+33.33×33.34
=33.33×(66.66+33.34)
=33.33×100
=3333
再问: 为啥这样做
99.99x22.22+33.33x33.34简便计算
99.99x22.22十33.33x33.34怎么用简便方法
99.99X22.22十33.33X33.34用巧算,急
99.99x22.22+33.33x33.34要过程
99.99X22.22+33.33X33.34怎么简算?
99.99X22.22+33.33X33.34怎么简算
简便计算 -99又10/11x22
简便计算4.4X5.5-44X0.33+0.44X22
简便计算:9.99x22.2+33.3x3.34 1/3+1/15+1/35+1/63+1/99+1/143
9.99x22.2+33.3x3.34简便运算
用简便计算:7/13x6/29+6/13x22/29
这题该怎么简便计算?7/13×6/29+6/13x22/29