سحر الرياضيات

1x 8 + 1 = 9
12x 8 + 2 = 98
123x 8 + 3 = 987
1234x 8 + 4 = 9876
12345x 8 + 5 = 98765
123456x 8 + 6 = 987654
1234567x 8 + 7 = 9876543
12345678x 8 + 8 = 98765432
123456789x 8 + 9 = 987654321






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عجائب الرقم ( 5 ) :

8 × 5 = 40

88 × 5 = 440

888 × 5 = 4440

8888 × 5 = 44440

88888 × 5 = 444440

888888 × 5 = 4444440

8888888 × 5 = 44444440

88888888 × 5 = 444444440

888888888 × 5 = 4444444440

8888888888 × 5 = 44444444440


عجائب الرقم ( 1 ) :



1×1=1

11×11=121

111×111=12321

1111×1111=1234321

11111×11111=123454321

111111×111111=12345654321

1111111×1111111=1234567654321




11111111×11111111=123456787654321

111111111×111111111=12345678987654321