×-÷ 18×25%+×60+42×0.250.25×0.25×32 +-(-)
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解:(1)×-÷,
=()×,
=2×,
=1.25;
(2)18×25%+×60+42×0.25,
=(18+60+42)×0.25,
=120×0.25,
=30×(4×0.25),
=30×1,
=30;
(3)0.25×0.25×32,
=(0.25×4)×(0.25×4)×2,
=1×1×2,
=2;
(4)+-(),
=()+(),
=0+1,
=1.
解析分析:(1)运用乘法分配律解答,
(2)运用乘法分配律,以及乘法结合律解答,
(3)化32=4×4×2,再运用乘法交换律和结合律即可解答,
(4)运用减法性质,以及加法结合律即可解答.
点评:正确选择并运用简便算法解决问题,是本题考查知识点.