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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