(1)5 × 10 =
(2)30 × 6 =
(3)70 × 4 =
(4)7 × 80 =
(5)40 × 8 =
(6)4 × 80 =
(7)90 × 4 =
(8)10 × 6 =
(9)90 × 4 =
(10)60 × 9 =
(11)90 × 1 =
(12)3 × 60 =
(13)1 × 50 =
(14)8 × 60 =
(15)2 × 30 =
(1)5 × 10 =
(2)30 × 6 =
(3)70 × 4 =
(4)7 × 80 =
(5)40 × 8 =
(6)4 × 80 =
(7)90 × 4 =
(8)10 × 6 =
(9)90 × 4 =
(10)60 × 9 =
(11)90 × 1 =
(12)3 × 60 =
(13)1 × 50 =
(14)8 × 60 =
(15)2 × 30 =