
500−(1300÷65 135)
1个回答
展开全部
(1)350÷7+24×3
=50+72
=122;
(2)618-80÷2×5
=618-40×5
=618-200
=418;
(3)243+65+(57+135)
=(243+57)+(65+135)
=300+200
=500;
(4)15×(41-17)÷30
=15×24÷30
=360÷30
=12;
(5)45×13+13×55
=13×(45+55)
=13×100
=1300;
(6)25×(9×4)×3
=(25×4)×(9×3)
=100×27
=2700;
(7)45÷[210÷(35×2)]
=45÷[210÷70]
=45÷3
=15.
=50+72
=122;
(2)618-80÷2×5
=618-40×5
=618-200
=418;
(3)243+65+(57+135)
=(243+57)+(65+135)
=300+200
=500;
(4)15×(41-17)÷30
=15×24÷30
=360÷30
=12;
(5)45×13+13×55
=13×(45+55)
=13×100
=1300;
(6)25×(9×4)×3
=(25×4)×(9×3)
=100×27
=2700;
(7)45÷[210÷(35×2)]
=45÷[210÷70]
=45÷3
=15.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询