(1+4分之3)÷(1-4分之1) 95×47分之3 11分之3÷[5分之2＋（1-11分之10）]

题目

(1+4分之3)÷(1-4分之1) 95×47分之3 11分之3÷[5分之2＋（1-11分之10）]

答案

(1+4分之3)÷(1-4分之1)
=(1+3/4)÷(1-1/4)
=7/4÷3/4
=7/4×4/3
=7/3
=2又1/3
95×47分之3
=95×3/47
=(94+1)×3/47
=94×3/47+1×3/47
=6+3/47
=6又3/47
11分之3÷[5分之2+(1-11分之10)]
=3/11÷[2/5+(1-10/11)]
=3/11÷(2/5-1/11)
=3/11÷(22/55-5/55)
=3/11÷17/55
=3/11×55/17
=15/17