0.75十负4分之11十0.125十负7分之5十负4又8分之1
问题描述:
0.75十负4分之11十0.125十负7分之5十负4又8分之1
答
0.75+(-11/4)+0.125+(-5/7)+(-4)+(-1/8)
=0.75-2.75+0.125-4-0.125-5/7
=-6-5/7
=-47/7