Page 68 - حقيبة كتاب الصف الخامس الرقمية

¯ F

3×7=7×3 ¯¯ ¯ ï¯ ¯

7 × 10 × 3 = 7 × 10 × 3 ¯ ï¯ ¯ ¯¯¯
¯ ¯¯
0 = 5 × 0 = 0 × 5 ¯ ,¯ ¯
U¯
7=7×1=1×7 ï ,¯ (73 × 2) × 50 = (2 × 73) × 50
73 × (2 × 50) =
¯ 73 × 100 =
7 300 =
9 × (2 × 4) = (9 × 2) × 4
9=1×9 ¯1 ¯

6×5=5×6
0=0×4

144 000 = 90 × × 20 = 90 × 8 × 20 :2
14 400 = 9 × × 2
= 90 × 8 × 200 14 400 = 9 × 8 × = 9 × 8 × 20
14 400 = 100 × × 8 × 2 1 440 = × 80 × 2
144 000 = 900 × 8 × 1 440 = 90 × 8 ×
1 440 = × 9 × 8 × 2
144 000 = ×9×8×2

= 4 × 600 × 30 = 20 × 40 × 9 3
= 30 × 300 × 9 = 30 × 50 × 60
= 80 × 30 × 7
= 3 × 700 × 5

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