解题思路:(1)根据加法交换律进行计算;
(2)先算乘法和小括号里面的减法,最后算括号外面的减法;
(3)根据连除的性质进行计算;
(4)根据乘法分配律进行计算.
(1)1.43+2.95-0.43,
=1.43-0.43+2.95,
=1+2.95,
=3.95;
(2)[4/9]×[3/4]-([7/16]-[1/4]),
=[1/3]-[3/16],
=[7/48];
(3)6.4÷0.4÷0.25,
=6.4÷(0.4×0.25),
=6.4÷0.1,
=64;
(4)95×[5/6]+95×[1/6],
=95×([5/6]+[1/6]),
=95×1,
=95.
点评:
本题考点: 运算定律与简便运算;分数的四则混合运算;小数四则混合运算.
考点点评: 此题主要考查分数、整数、小数的四则混合运算的运算顺序和应用运算定律进行简便计算.