(1)1 × 20 =
(2)90 × 3 =
(3)5 × 20 =
(4)500 × 9 =
(5)80 × 6 =
(6)6 × 700 =
(7)600 × 2 =
(8)9 × 90 =
(9)4 × 40 =
(2)90 × 3 =
(3)5 × 20 =
(4)500 × 9 =
(5)80 × 6 =
(6)6 × 700 =
(7)600 × 2 =
(8)9 × 90 =
(9)4 × 40 =