先括号,再乘除,后加减啊.
(1.05564+0.55739)=1.61303
1.61303/1/5*1/13=0.02482
3*13/17=2.29412
41/221=0.18552
0.02482+2.29412+0.18552=2.50446
先括号,再乘除,后加减啊.
(1.05564+0.55739)=1.61303
1.61303/1/5*1/13=0.02482
3*13/17=2.29412
41/221=0.18552
0.02482+2.29412+0.18552=2.50446