A-A+
用递等式计算.(怎样算简便就怎样算)5020-2940÷28×3756×0.25+14×16
问题详情
5020-2940÷28×37
参考答案
(1)5020-2940÷28×37,
=5020-105×37,
=5020-3885,
=1135;
(2)56×0.25+14×16,
=14×(56+16),
=14×1,
=14;
(3)3×(712+59-14),
=3×(4136-14),
=3×3236,
=223;
(4)72÷(76-23)×3,
=72÷12×3,
=7×3,
=21;
(5)1-18×(0.32+85),
=1-18×1.92,
=1-0.24,
=0.76;
(6)(0.25+712)+(1415-23),
=1012+415,
=1.1.
考点:等式