عجائب الرقم 9
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9×0+8=8
9×9 +7=88
9×98 +6=888
9×987 +5=8888
9×9876 +4=88888
9×98765 +3=888888
9×987654 +2=8888888
9×9876543 +1=88888888
9×98765432 +0=888888888
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وأيضاً من عجائب الرقم 9
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9 × 987654321 = 8888888889
9 × 98765432 = 888888888
9 × 9876543 = 88888887
9 × 987654 = 8888886
9 × 98765 = 888885
9 × 9876 = 88884
9 × 987 = 8883
9 × 98 = 882
9 × 9 = 81
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وأيضاً من عجائب الرقم 9
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9 × 123456789 = 1111111101
9 × 12345678 = 111111102
9 × 1234567 = 11111103
9 × 123456 = 1111104
9 × 12345 = 111105
9 × 1234 = 11106
9 × 123 = 1107
9 × 12 = 108
9 × 1 = 09
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ومن عجائب الرقم 9 أيضاً
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9×0+1=1
9×1 +2=11
9×12 +3=111
9×123 +4=1111
9×1234 +5=11111
9×12345 +6=111111
9×123456 +7=1111111
9×1234567 +8=11111111
9×12345678 +9=111111111
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