A-A+
用你喜欢的方法算:可要仔细哟!!(1)43×27+57÷34(2)12-425÷25+14(
问题详情
用你喜欢的方法算:可要仔细哟!!
(1)
(2)
(3)
(4)(9×
(5)[(4+
(6)
参考答案
(1)43×27+57÷34,
=43×27+57×43,
=(27+57)×43,
=1×43,
=43;
(2)12-425÷25+14,
=12-25+14,
=110+14,
=720;
(3)14÷(58+38×85),
=14÷(58+35),
=14÷4940,
=1049;
(4)(9×23-4)÷45,
=(6-4)÷45,
=2÷45,
=52;
(5)[(4+32)÷25]×512,
=[112÷25]×512,
=554×512,
=27548;
(6)311÷[25+(1-1011)],
=311÷[25+111],
=311÷2755,
=59.
考点:方法