分析:(1)運(yùn)用加法結(jié)合律簡算;
(2)根據(jù)連續(xù)減去兩個(gè)數(shù)等于減去這兩個(gè)數(shù)的和簡算;
(3)運(yùn)用加法交換律簡算;
(4)運(yùn)用加法結(jié)合律簡算;
(5)運(yùn)用乘法分配律簡算;
(6)根據(jù)減去兩個(gè)數(shù)的和等于連續(xù)減去這兩個(gè)數(shù)簡算;
(7)按照從左到右的順序計(jì)算;
(8)運(yùn)用加法結(jié)合律,以及根據(jù)連續(xù)減去兩個(gè)數(shù)等于減去這兩個(gè)數(shù)的和簡算.
解答:解:(1)0.485+0.64+3.36,
=0.485+(0.64+3.36),
=0.485+4,
=4.485;
(2)72.51-9.34-12.66,
=72.51-(9.34+12.66),
=72.51-22,
=50.51;
(3)14.02-4.5+0.98,
=(14.02+0.98)-4.5,
=15-4.5,
=10.5;
(4)5.76+2.43+0.24+10.57,
=(5.76+0.24)+(2.43+10.57),
=6+13,
=19;
(5)182+99×182,
=182×(99+1),
=182×100,
=18200;
(6)9.28-(3.28+2.55),
=9.28-3.28-2.55,
=6-2.55,
=3.45;
(7)9.5+4.85-6.13,
=14.35-6.13,
=8.22;
(8)10.75-1.86-2.75-3.16,
=(10.75-2.75)-(1.86+3.16),
=8-5.02,
=2.98.
點(diǎn)評(píng):本題主要考查了加減法中的簡算方法,要注意分析式中數(shù)據(jù),運(yùn)用合適的簡便方法計(jì)算.