-99又24分之23*18 -1^4-(1-0.5)*3分之1*(2-(-3)^2)
=(-100+1/24)×18-1-1/2×1/3×(2-9)
=-1800+3/4-1+7/6
=-1801+23/12
=-1799又12分之1
(-0.25)^2003*(-4)^2004*(-1)^2007
=(-1/4)²ºº³×(4)²ºº³×4×(-1)
=(-1/4×4)²ºº³×4×(-1)
=(-1)²ºº³×(-4)
=4
-99又24分之23*18 -1^4-(1-0.5)*3分之1*(2-(-3)^2)
=(-100+1/24)×18-1-1/2×1/3×(2-9)
=-1800+3/4-1+7/6
=-1801+23/12
=-1799又12分之1
(-0.25)^2003*(-4)^2004*(-1)^2007
=(-1/4)²ºº³×(4)²ºº³×4×(-1)
=(-1/4×4)²ºº³×4×(-1)
=(-1)²ºº³×(-4)
=4