0.1*0.1*(0.001-0.0000001)/50000*3600=
1除0.1除0.01除0.001除省略号除0.0000001=?
奥数计算题:1-0.1-0.01-0.001…-0.0000001
1/0.1/0.01/0.001/0.0001/0.00001/0.000001/0.0000001/0.0000000
1除以0.1除以0.01除以0.001除以.除以0.0000001?简便
1÷0.1÷0.01÷0.001÷0.0001÷0.00001÷0.000001÷0.0000001简便算法
1/0.1-1/0.01-1/0.001-1/0.0001.=?
0.1是()个0.001
1-0.1-0.01-0.001-.-0.000000001
0.1除以(-0.001)除以(-1)?
用数学归纳法证明0.1+0.01+0.001+.+0.1的n次方=((1-0.1的n次方)/9)
1-0.1-0.01-0.001-0.0001.-0.0000000001
0.1/0.01*0.001/0.0001 如何简便