原式=(-3/4)³×(-5/6)²+0.5²×(-3/4)³+17/18×(3/4)³+4²÷(4/3)³
=-(3/4)³×25/36-1/4×(3/4)³+17/18×(3/4)³+16×(3/4)³
=(3/4)³×(-25/36-1/4+17/18+16)
=27/64×(-25/36-9/36+34/36+16)
=(27/64)×16
=27/4
原式=(-3/4)³×(-5/6)²+0.5²×(-3/4)³+17/18×(3/4)³+4²÷(4/3)³
=-(3/4)³×25/36-1/4×(3/4)³+17/18×(3/4)³+16×(3/4)³
=(3/4)³×(-25/36-1/4+17/18+16)
=27/64×(-25/36-9/36+34/36+16)
=(27/64)×16
=27/4