题目内容

【题目】仔细审题,怎么简便怎么算.

6090﹣630÷6×5

14.32﹣7.8+1.68﹣3.2

36×(+

(0.52+)÷

(30﹣2.46÷0.12)÷0.01

2018×+2018÷15×13

【答案】(1)5565

(2)5

(3)6

(4)0.95

(5)950

(6)2018

【解析】

(1)6090﹣630÷6×5

=6090﹣105×5

=6090﹣525

=5565

(2)14.32﹣7.8+1.68﹣3.2

=(14.32+1.68)﹣(7.8+3.2)

=16﹣11

=5

(3)36×(+

=36×+36×﹣36×

=3+30﹣27

=6

(4)(0.52+)÷

=0.8÷

=1.2﹣

=0.95

(5)(30﹣2.46÷0.12)÷0.01

=(30﹣20.5)÷0.01

=9.5÷0.01

=950

(6)2018×+2018÷15×13

=2018×+2018×

=2018×(+

=2018×1

=2018

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