(1)4.35+19.9=24.25 (2)18×0.5=9 (3)12÷[6/7]=14
(4)8×25%=2 (5)3-3÷4=2.25 (6)6÷0.1=60
(7)4210÷703≈6 (8)99÷81=1[2/9] (9)([5/8]-0.625)×0.84=0
(10)3.8×5.5+4.5×3.8=38故答案为:24.25,9,14,2,2.25,60,6,1[2/9],0,38.
(1)4.35+19.9=24.25 (2)18×0.5=9 (3)12÷[6/7]=14
(4)8×25%=2 (5)3-3÷4=2.25 (6)6÷0.1=60
(7)4210÷703≈6 (8)99÷81=1[2/9] (9)([5/8]-0.625)×0.84=0
(10)3.8×5.5+4.5×3.8=38故答案为:24.25,9,14,2,2.25,60,6,1[2/9],0,38.