0.1×0.2×0.3×0.4×0.5×0.6×0.7×0.8×0.9怎么巧算
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0.1×0.2×0.3×0.4×0.5×0.6×0.7×0.8×0.9怎么巧算0.1×0.2×0.3×0.4×0.5×0.6×0.7×0.8×0.9怎么巧算0.1×0.2×0.3×0.4×0.5×0.
0.1×0.2×0.3×0.4×0.5×0.6×0.7×0.8×0.9怎么巧算
0.1×0.2×0.3×0.4×0.5×0.6×0.7×0.8×0.9怎么巧算
0.1×0.2×0.3×0.4×0.5×0.6×0.7×0.8×0.9怎么巧算
化为分数,即
1/10*2/10*3/10*4*10*5/10*6/10*7/10*8/10*9/10
=1/10*1/5*3/10*1/5*3/5*7/10*2/5*9/5
=1/10*1/5*3/10*1/5*3/5*7/5*1/5*9/5
=(81*7)/(25*25*25*100)
=567/1562500
=0.00036288
0.1 0.2 0.3 0.4 0.5加减乘除怎样等于0.2
0.1 0.2 0.3 0.4 0.5怎么算答案是0.2
(+0.2)+(-0.2)+(+0.7)+(-0.3)+(-0.4)+(+0.6)+0+(-0.1)+(-0.6)+(+0.5)+(-0.2)+(-0.5)=?(+0.2)+(-0.2)+(+0.7)+(-0.3)+(-0.4)+(+0.6)+0+(-0.1)+(-0.6)+(+0.5)+(-0.2)+(-0.5)=?
0.1 0.2 0.3 0.4 0.5=1 怎么加加减乘除 比如说是[(0.1+0.2)]×0.4×0.5=0.1还有0.1 0.2 0.3 0.4 0.5 =0
巧算:0.1+0.2+0.3+0.4+0.5+0.6+0.7+0.8+0.9
0.1+0.3+0.5+0.7+..+2.9-0.2-0.4-0.6-...-2.
0.1-0.2+0.3-0.4+0.5-0.6+.+9.9-10+10.1巧算
0.1 0.2 0.3 0.4 0.5怎么才能等于0
0.1 0.2 0.3 0.4 0.5 =1填运算符号
(0.2+0.4+0.6+...+9.8+10)-(+0.1+0.3+0.5+...+9.7+9.9)
0.1 0.2 0.3 0.4 0.5 怎样运算等于1?
加符号0.5 0.4 0.3 0.2 0.1=10
0.5 0.4 0.3 0.2 0.1=10 添加运算符号
0.1+0.2+0.3+0.4+0.5……+10简便
0.1 0.2 0.3 0.4 0.5 =0.725怎么加符号?
添上运算符号和括号,使等式成立(1)0.1 0.2 0.3 0.4 0.5=0(2)0.1 0.2 0.3 0.4 0.5=1(3)0.1 0.2 0.3 0.4 0.5=2(4)0.1 0.2 0.3 0.4 0.5=3(5)0.1 0.2 0.3 0.4 0.5=4(6)0.1 0.2 0.3 0.4 0.5=5
0.1 0.2 0.3 0.4 0.5=0.1.在五个数中间加上运算符号和括号,使等式成立.0.1 0.2 0.3 0.4 0.5=10.1 0.2 0.3 0.4 0.5=0.10.1 0.2 0.3 0.4 0.5=0
在括号里填运算符号0.1( )0.2( )0.3( )0.4( )0.5=30.1( )0.2( )0.3( )0.4( )0.5=40.1( )0.2( )0.3( )0.4( )0.5=5