(1)2.5×(-1/4)×(-8)×(-3/2)
=-(2.5×1/4×8×3/2)
=-7.5
(2)4/3×(+7/2)×(-1(1/2))×(-5(3/14))
=4/3×7/2×3/2×73/14
=73/2
=36.5
(3)(-1/3)×(-6/5)×7/16×5/4×(-2/7)×0×(-3.2)
=0
(1)2.5×(-1/4)×(-8)×(-3/2)
=-(2.5×1/4×8×3/2)
=-7.5
(2)4/3×(+7/2)×(-1(1/2))×(-5(3/14))
=4/3×7/2×3/2×73/14
=73/2
=36.5
(3)(-1/3)×(-6/5)×7/16×5/4×(-2/7)×0×(-3.2)
=0