计算:15分之8×2又2分之1除(6又3分之2×0.28+0.72×6又3分之2)求过程,

问题描述:

计算:15分之8×2又2分之1除(6又3分之2×0.28+0.72×6又3分之2)求过程,

15分之8×2又2分之1除(6又3分之2×0.28+0.72×6又3分之2)
=8/15x5/2÷{6又2/3x(0.28+0.72)}
=4/3÷20/3
=1/5