2.006*390-20.06*41+200.6*0.2的简便运算怎嘛写
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2.006*390-20.06*41+200.6*0.2的简便运算怎嘛写2.006*390-20.06*41+200.6*0.2的简便运算怎嘛写2.006*390-20.06*41+200.6*0.2
2.006*390-20.06*41+200.6*0.2的简便运算怎嘛写
2.006*390-20.06*41+200.6*0.2的简便运算怎嘛写
2.006*390-20.06*41+200.6*0.2的简便运算怎嘛写
原式=20.06*39-20.06*41+20.06*2
=20.06*(39-41+2)
=20.06*0
=0
2.006*390-20.06*41+200.6*0.2的简便运算怎嘛写
(1)2005*0.375-0.375*1949+3.75*2.4 (2)2006+200.6+20.06+2.006(1)2005*0.375-0.375*1949+3.75*2.4(2)2006+200.6+20.06+2.006简便运算,求求你们了,我急用我会赏分的
2006+200.6+20.06+2.006+994+99.4+9.94+0.994等于多少?
2.005×390-20.05×41+200.5×2
2.011乘390+20.11乘41+201.1乘2+
2.012×390+20.12×41+201.2×2 简便计算
简便计算:2.005×390+20.05×41+200.5×2
(14)计算:2.005×390+20.05×41+200.5×2
2.009×390+20.09×41+200.9×2简便计算
2.008*390+20.08*41+20.08* 41+200.
求计算题:1.2+1.4+1.6+····+9.6+9.8 2006+200.6+20.06+2.006+994+99.4+9.94+0.994能巧算要巧算啊!(1.0-0.1)+(2.0-0.2)+(3.0-0.3)+········+(9.0-0.9)+(10.0-1.0) 急
列式计算:一:1+2-3-4+5+6-7-8...+2005+2006-2007二:2.006*20072007-2.007*20062006
390除以15除以2简便计算
390÷15÷2简便计算?
20.06×1995-19.94×2006
简便计算:20.06×1995-19.94×2006
从小到大排列下面的 数(3分之2)(0.81)(5分之4)(0.4)(15分之4)(2.0)(8分之5)1.09()2.006(
2倍根号41× 2倍根号41=?