怎样简便就怎样算 ×14÷(+)÷÷(+)÷÷1÷÷4×4-4×3.6.
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解:
(1)×14÷,
=÷×14,
=×14,
=2;
(2)(+)÷,
=÷,
=;
(3)÷(+),
=÷,
=;
(4)÷÷,
=÷,
=;
(5)1÷÷,
=100÷,
=10000;
(6)4×4-4×3.6
=4×(4-3.6),
=4×1,
=4.
解析分析:(1)根据乘法交换律进行简算;
(2)先算加法,再算除法;
(3)先算加法,再算除法;
(4)按照从左向右的顺序进行计算;
(5)按照从左向右的顺序进行计算;
(6)根据乘法分配律进行简算.
点评:考查了运算定律与简便运算,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律简便计算.