10.56÷0.4×0.25 (13÷4分之3+19)×5分之2

问题描述:

10.56÷0.4×0.25 (13÷4分之3+19)×5分之2

10.56÷0.4×0.25
=26.4×0.25
=6.6

(13÷4分之3+19)×5分之2
=(3分之52 +19)×5分之2
=(3分之52+3分之57)×5分之2
=3分之109×5分之2
=15分之218
=14又15分之8

10.56÷0.4×0.25
=26.4×0.25
=6.6
(13÷4分之3+19)×5分之2
=(52/3+19)×5分之2
=(109/3)×(2/5)
=218/15