题目内容

脱式计算,能简算的要简算。
(1)38.2+19.8+3.07 (2)84.43-5.06-19.94
(3)73.45+(25.55-23.46) (4)28.26-(9.7-5.26)
(5)28.3-19.6+5.27 (6)13.7+0.98+0.02+4.3
(1)原式=58+3.07
                =61.07
(2)原式=84.43-(5.06+19.94)
                =59.43
(3)原式=73.45+25.55-23.46
                =99-23.46
                =75.54
(4)原式=28.26-(9.7-5.26)
                =28.26-4.44
                =23.82
(5)原式=8.7+5.27
                =13.97
(6)原式=13.7+4.3+(0.98+0.02)
                =19
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网