(-3)x5/6x(1又4/5)x(-0.25)
问题描述:
(-3)x5/6x(1又4/5)x(-0.25)
答
原式=3×5/6×9/5×1/4
=9/8
(-3)x5/6x(1又4/5)x(-0.25)
原式=3×5/6×9/5×1/4
=9/8