(+59.8)-(-25)+(-12.8+635)
=59.8+25-12.8+165
=47+12
=59
“”是整除的意思吧?
若“”是分数线的话,
(+59.8)-(-25)+(-12.8+635)
=59.8+2/5-12.8+63/5
=59.8+0.4-12.8+12.6
=47.4+12.6
=60
(+59.8)-(-25)+(-12.8+635)
=59.8+25-12.8+165
=47+12
=59
“”是整除的意思吧?
若“”是分数线的话,
(+59.8)-(-25)+(-12.8+635)
=59.8+2/5-12.8+63/5
=59.8+0.4-12.8+12.6
=47.4+12.6
=60