怎样算简便就怎样算.
+++
×+÷6
×÷(-)
()×24
××
(1--)÷.
网友回答
解:(1)+++,
=()+(),
=1+1,
=2;
(2)×+÷6,
=()×,
=1×,
=;
(3)×÷(-),
=,
=1×,
=;
(4)()×24,
=24+24,
=16+4,
=20;
(5)××,
=,
=,
=;
(6)(1--)÷,
=1×8-×8-8,
=8-4-2,
=2.
解析分析:(1)运用加法交换律和结合律解答,
(2)(4)(6)运用乘法分配律解答,
(3)(5)运用乘法交换律解答.
点评:(1)运用简便方法解决问题,(2)依据四则运算顺序正确进行计算,是本题考查知识点.