计算0.01^2+0.02*0.09+0.09^2

问题描述:

计算0.01^2+0.02*0.09+0.09^2

0.02=2乘0.01
0.01^2+0.02*0.09+0.09^2 =0.01^2+2乘0.01*0.09+0.09^2 =(0.01+0.09)平方
=0.1平方=0.01

0.01^2+0.02*0.09+0.09^2
=0.01^2+2*0.01*0.09+0.09^2
=(0.01+0.09)^2
=0.1^2
=0.01