(_1.25)X(-1又1/3)X(1/2)=
问题描述:
(_1.25)X(-1又1/3)X(1/2)=
答
=1.25×1又1/3×1/2
=5/4×4/3×1/2
=5/6
(_1.25)X(-1又1/3)X(1/2)=
=1.25×1又1/3×1/2
=5/4×4/3×1/2
=5/6