分析:(1)運(yùn)用乘法交換律簡(jiǎn)算;
(2)先算乘法,再算減法;
(3)先算乘法,再算加法;
(4)根據(jù)商不變規(guī)律簡(jiǎn)算;
(5)先把104分解成100+4,再運(yùn)用乘法分配律簡(jiǎn)算;
(6)運(yùn)用乘法分配律簡(jiǎn)算.
解答:解:(1)0.125×0.5×0.8,
=0.125×0.8×0.5,
=0.1×0.5,
=0.05;
(2)60.4×0.8-12.8,
=48.32-12.8,
=35.52;
(3)2.8+0.6×0.35,
=2.8+0.21,
=3.01;
(4)0.2÷2.5,
=(0.2×4)÷(2.5×4),
=0.8÷10,
=0.08;
(5)104×0.45,
=(100+4)×0.45,
=100×0.45+4×0.45,
=45+1.8,
=46.8;
(6)0.9×3.6+1.1×0.36,
=(0.9+1.1)×3.6,
=2×3.6,
=7.2.
點(diǎn)評(píng):本題考查了四則混合運(yùn)算,注意運(yùn)算順序和運(yùn)算法則,靈活運(yùn)用所學(xué)的運(yùn)算定律進(jìn)行簡(jiǎn)便計(jì)算.