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四年级口算题 (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 = 2023年人教版小学四年级口算题：(15)9.07 - 8.21 = | 
