四年级口算题:小数的加法和减法
奥数网
2010-08-18 16:52:23
四年级口算题:小数的加法和减法
(1)2.94 - 2.66 =
(2)7.23 + 2.43 =
(3)6.15 + 5.53 =
(4)7.89 + 2.27 =
(5)5.64 - 2.05 =
(6)8.6 + 9.63 =
(7)4.23 + 1.89 =
(8)4.66 + 2.57 =
(9)9.95 + 2.24 =
(10)5 + 2.19 =
(11)5.6 - 2.6 =
(12)3.44 - 1.1 =
(13)9.4 - 6.14 =
(14)8.85 + 4.4 =
(15)9.07 - 8.21 =