350: 5 = 80× 8 = 30x 9 = 20: 7 = 200: 5 = 540: 9 = 10x 5= 60× 2 = 90× 6 = 160: 4= 80x 9 = 270: 9= 480: 6 = 40: 6 = 40x 5 = 60x 5 = 60x 7 = 420: 6 = 420: 6 = 50: 5 = 560: 8 = 4×50 = 90x 5= 40x 8 = 360: 9= 10: 9 = 70x 2 = 210: 3= 20: 2 = 40: 2 = 7×50 = 60: 4 = 240: 8 = 420: 6 = 50x 4 = 40x 2 = 20: 8 = 150 : 5 = 80x 5 = 450: 5

350: 5 = 70 80× 8 = 640 30x 9 = 270 20: 7 = 2.85714285714 200: 5 = 40 540: 9 = 60 10x 5= 50 60× 2 = 120 90× 6 = 540 160: 4= 40 80x 9 = 720 270: 9= 30 480: 6 = 80 40: 6 = 6.66666666667 40x 5 = 200 60x 5 = 300 60x 7 = 420 420: 6 = 70 420: 6 = 70 50: 5 = 10 560: 8 = 70 4×50 = 200 90x 5= 450 40x 8 = 320 360: 9= 40 10: 9 = 1.11111111111 70x 2 = 140 210: 3= 70 20: 2 = 10 40: 2 = 20 7×50 = 350 60: 4 = 15 240: 8 = 30 420: 6 = 70 50x 4 = 200 40x 2 = 80 20: 8 = 2.5 150 : 5 = 30 80x 5 = 400 450: 5 = 90