Faszinierende Mathematik

1×8+1=9

12×8+2=98

123×8+3=987

1234×8+4=9876

12345×8+5=98765

123456×8+6=987654

1234567×8+7=9876543

12345678×8+8=98765432

123456789×8+9=987654321

_______________________________

1×9+2=11

12×9+3=111

123×9+4=1111

1234×9+5=11111

12345×9+6=111111

123456×9+7=1111111

1234567×9+8=11111111

12345678×9+9=111111111

123456789×9+10=1111111111

______________________________

9×9+7=88

98×9+6=888

987×9+5=8888

9876×9+4=88888

98765×9+3=888888

987654×9+2=8888888

9876543×9+1=88888888

98765432×9+0=888888888

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