0.46+1.44==1.25×0.16×8===1÷0.5×2==
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解:(1)0.46+1.44=1.9;
(2),
=+,
=;
(3)1.25×0.16×8,
=(1.25×8)×0.16,
=10×0.16,
=1.6;
(4)×=;
(5)1÷0.5×2,
=2×2,
=4;
(6)(-)÷,
=(-)×12,
=×12-×12,
=3-2,
=1.
解析分析:(1)注意小数点对齐;
(2)通分计算;
(3)运用乘法交换律与结合律简算;
(4)约分计算;
(5)除法和乘法属于同级运用算,从左往右依次计算;
(6)把除法改为乘法,运用乘法分配律简算.
点评:考查了小数、分数的计算,注意运算顺序和运算法则,灵活运用所学的运算定律简便计算.