①2003+2002-2001-2000+1999+1998-1997-1996+…+7+6-5-4+3+2-1
②95×125+125×14-25×5
③99999×7+11111×37
④0.125×0.25×0.5×64
⑤13.5×9.9+6.5×10.1
⑥17.42-(3.36-2.58)-6.64
⑦48×29+13×16.
①2003+2002-2001-2000+1999+1998-1997-1996+…+7+6-5-4+3+2-1
=2003+2002-2001-(2000-1999)+(1998-1997)-…-(4-3)+(2-1),
=2003+2002-2001-1+1-…-1+1,
=2003+2002-2001,
=2004;
②95×125+125×14-25×5,
=95×125+125×14-125,
=125×(95+14-1),
=125×108,
=125×8+125×100,
=1000+12500,
=13500;
③99999×7+11111×37,
=11111×9×7+11111×37,
=11111×63+11111×37,
=11111×(63+37),
=1111100;
④0.125×0.25×0.5×64,
=0.125×0.25×0.5×64,
=0.125×0.25×0.5×8×8,
=(0.125×8)×(0.25×8)×0.5,
=1×2×0.5,
=1;
⑤13.5×9.9+6.5×10.1,
=13.5×9.9+6.5×10.1,
=13.5×9.9+6.5×(9.9+0.2),
=13.5×9.9+6.5×9.9+1.3,
=9.9×(13.5+6.5)+1.3,
=198+1.3,
=199.3;
⑥17.42-(3.36-2.58)-6.64,
=17.42-(3.36-2.58)-6.64,
=17.42-3.36-6.64,
=10;
⑦48×29+13×16,
=16×3×29+13×16,
=16×87+13×16,
=16×(87+13),
=1600.