脱式计算.
1.25×2.6×0.895.6+×18.
网友回答
解:(1)1.25×2.6×0.8,
=1.25×0.8×2.6,
=1×2.6,
=2.6;
(2)×(1.6+2),
=×1.6+×,
=0.6+1,
=1.6;
(3)95.6+×18,
=95.6×18+×18,
=(95.6+4.4)×18,
=100×18,
=1800.
解析分析:(1)运用乘法交换律与结合律简算;(2)运用乘法分配律简算;(3)把除法改为乘法,运用乘法分配律简算.
点评:考查了四则混合运算,灵活运用所学的运算定律简便计算.