(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