(1)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
(2)0.125×0.25×0.5×64
(3)3.75×4.8＋62.5×0.48
(4)1.56×1.7＋0.44×1.7－0.7
(5)11.72－7.85－(2.26＋0.46)
(6)0.1＋0.3＋0.5＋0.7＋…＋0.97＋0.99
(7)5.5×17.3＋6.7×5.5 (8)13.7×0.25×8 (9)32.8＋5.6＋7.2 (10)4.6×2.5×40 (11)12.5×3×3×8 (12)50×0.47×0.2 (13)101×7.7 (14)10.1×54 (15)42.6－2.77－7.23 (16)16.4－16.4×0.5 (17)2.18＋4.65＋7.82＋4.35 (18)12.48－2.72－3.28 (19)(250＋2.5)×4 (20)4×7×0.5×3×5 (21)(125＋1.25)×8 (22)775＋10.9＋9.1＋225
(23)(0.45＋0.06＋1.5)÷0.15
(24)2.75÷54＋2. 65÷54
(25)1.25×8.8 (26)0.89×10.1
(27)25×5.26×40 (28)0.125×32×25
(29)0.36×0.5＋0.36×0.4＋0.36×0.1
(30)0.38＋13.4＋1.62＋4.6
(31)0.125×78×80 (32)9.1×1.1－9.1×0.1 (33)0.125×32×25×58 (34)7×1.785＋3×1.785 (35)5.25÷15＋3.75÷15 (36)18.4×1.7＋18.4×8.3 (37)7.6×5.3＋7.6×3.7＋7.6 (38)45.6÷38－7.6÷38
(39)9999×2222＋3333×3334
(40)2999+999×999
(41)88.8×8.7+11.2×9.9－11.2×1.2
(42)22.05×8.2－20.05×4.5－20.05×3.7
(43)1972×37+197.2×1.9－986×70.38 (44)0.525÷13.125÷4×85.85÷1.01
(45)4.83×0.59+0.41×1.59－0.324×5.9
(46)2.19+6.48+0.51－1.38－5.48－0.62
(47)(1+0.12+0.23)×(0.12+0.23+0.34)
－(1+0.12+0.23+0.34)×(0.12+0.23)
(48)9999×8+1111×28
(49)77×13+255×999+510
(50)53×46+71×54+82×54
