竖式计算4 3 × 1 2 =3 4 × 2 6 =6 0 × 4 5 =7 0 × 4 2 =1 9 × 7 7 = 4 4 × 2 1 =7 6 × 4 8 =9 0 × 3 4 =3 7 × 2 5 =7 5 × 5 2 = 2 3 × 2 3 =4 5 × 6 6 =2 2 × 3 6 =3 6 × 4 7 =3 9 × 2 3 = 1 0 5 × 5 =7 2 × 4 2 =1 8 × 4 5 =1 8 × 9 0 =6 0 × 5 4 = 4 3 × 2 2 =8 5 × 2 5 =8 9 × 4 4 =3 2 × 6 5 =2 3 × 1 9 = 3 4 × 1 1 =4 6 × 6 5 =3 5 × 1 5 =5 0 × 2 7 =9 5 × 1 2 = 1 1 × 6 5 =1 3 × 7 0 =2 7 × 2 3 =1 4 × 2 5 =5 0 8 ÷ 8 = 4 3 × 1 2 =3 4 × 2 6 =6 0 × 4 5 =7 0 × 4 2 =1 9 × 7 7 = 4 4 × 2 1 =7 6 × 4 8 =9 0 × 3 4 =3 7 × 2 5 =7 5 × 5 2 = 2 3 × 2 3 =4 5 × 6 6 =2 2 × 3 6 =3 6 × 4 7 =3 9 × 2 3 = 1 0 5 × 5 =7 2 × 4 2 =1 8 × 4 5 =1 8 × 9 0 =6 0 × 5 4 = 4 3 × 2 2 =8 5 × 2 5 =8 9 × 4 4 =3 2 × 6 5 =2 3 × 1 9 = 3 4 × 1 1 =4 6 × 6 5 =3 5 × 1 5 =5 0 × 2 7 =9 5 × 1 2 = 1 1 × 6 5 =1 3 × 7 0 =2 7 × 2 3 =1 4 × 2 5 =5 0 8 ÷ 8 = 脱式计算45+4 × 4