10×0.001=0.01。10有一个0,0.001小数点后面有两个0,两个0减去一个0就变成一个0,那就是0.01。解:10个0.001是( 0.01 )∵已知需求出10个0.001是多少1个0.001 = 1 × 0.001 = 0.0012个0.001 = 0.001 + 0.001 = 2 × 0.001 = 0.002∴10个0.001 = 10 × 0.001= 10 × 1/1000= 10/1000= 1/100= 0.01答:10个0.001是0.01