3800-60×(8÷4)48÷[24×(96-94)](4000-80×20)÷(130+110)答案 解:(480-120)÷(70-40) =360÷30 =12 3800-60×(8÷4) =3800-60×2 =3800-120 =3680 48÷[24×(96-94)] =48÷[24×2] =48÷48 =1 (4000-80×20)÷(130+110) =(4000-1600)÷24...