改良版2ケタ同士の掛け算、その名もクロス筆算・演習2
(1) 62 × 8
(2) 4 × 66
(3) 84 × 25
(4) 90 × 69
(5) 49 × 12
(6) 93 × 31
(7) 36 × 77
(8) 2 × 89
(9) 89 × 15
(10) 21 × 4
(1) 62 × 8
(2) 4 × 66
(3) 84 × 25
(4) 90 × 69
(5) 49 × 12
(6) 93 × 31
(7) 36 × 77
(8) 2 × 89
(9) 89 × 15
(10) 21 × 4