四年级小数的加法和减法
网络
2010-01-14 10:55:55
(1) 34.85 - 11.73 = (2) 75.80 + 59.35 = (3) 64.39 + 40.78 =
(4) 67.23 - 19.17 = (5) 50.10 - 48.60 = (6) 91.91 - 75.10 =
(7) 53.73 - 31.75 = (8) 64.48 - 14.42 = (9) 39.03 - 14.98 =
(10) 22.04 + 80.13 = (11) 28.36 - 24.00 = (12) 61.83 + 69.95 =
(13) 65.36 - 38.06 = (14) 29.37 - 18.02 = (15) 42.09 - 32.46 =
(16) 18.08 + 34.00 = (17) 47.63 - 31.59 = (18) 17.42 - 10.44 =
(19) 16.24 - 14.18 = (20) 55.89 - 28.75 =