32×40+450÷18(6-1.3×4)÷0.113.7×1.4-3.7×1.4.
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解:(1)32×40+450÷18,
=1280+25,
=1305;
(2)+++,
=(+)+(+),
=1+1,
=2;
(3)(6-1.3×4)÷0.1,
=(6-5.2)÷0.1,
=0.8÷0.1,
=8;
(4)13.7×1.4-3.7×1.4,
=(13.7-3.7)×1.4,
=10×1.4,
=14;
(5)(+×)÷,
=(+)×,
=×,
=;
(6)-[(+)÷],
=-÷,
=-×,
=-,
=.
解析分析:(1)先算乘除,再算加法;(2)运用加法交换律与结合律简算;(3)先算括号内的乘法,再算括号内的减法,最后算括号外的除法;(4)运用乘法分配律简算;(5)先算括号内的乘法,再算括号内的加法,最后算括号外的除法;(6)先算小括号内的,再算中括号内的,最后算括号外的减法.
点评:此题考查了四则混合运算,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.