(2又1/2003乘以9又5/8+2002/2003乘以9.625)除以96又1/4

问题描述:

(2又1/2003乘以9又5/8+2002/2003乘以9.625)除以96又1/4

(2又1/2003乘以9又5/8+2002/2003乘以9.625)除以96又1/4
= 77/8 乘以(4007/2003+2002/2003)乘以 4/385
=(77/8)*(6009/2003)*(4/385)
=(77/8)* 3 * (4/385)
= 3/10

注:9又5/8=9.625=77/8
96又1/4=4/385

(2又1/2003乘以9又5/8+2002/2003乘以9.625)除以96又1/4
=9.625*(2又1/2003+2002/2003)*4/385
=77/8*3*4/385
=3/10