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怎样简便就怎样计算.119-(29+713) 91-10÷0.25÷457×911+2
问题详情
怎样简便就怎样计算.
参考答案
(1)119-(29+713),
=119-29-713,
=1-713,
=613;
(2)91-10÷0.25÷4,
=91-10÷(0.25×4),
=91-10÷1,
=91-10,
=81;
(3)57×911+211÷75,
=57×911+211×57,
=(911+211)×57,
=1×57,
=57;
(4)35÷[78×(1-27)],
=35÷[78×57],
=35÷58,
=56;
(5)41×101,
=41×(100+1),
=41×100+41,
=4100+41,
=4141;
(6)5×13×25×310,
=(5×25)×(13×310),
=2×110,
=15;
(7)8.5-(5.6+4.8)÷1.3,
=8.5-10.4÷1.3,
=8.5-8,
=0.5;
(8)12×(14-13+16),
=12×14-12×13+12×16,
=3-4+2,
=1.
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