204010
10+20= ιο 3040
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|
205040 |

10+50=
|
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8050 ιο |
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|
806090 |
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||
|
|
9080
|
|

20+20=
|
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|||
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||
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|
60 |

60+20=
805090
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|
|
|
605090 |

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|


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|
|
|
5070 90 |

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|||||

|
|
|
|
110100120 |
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|



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90+50=
140950150
|
|
|
|
12066 |
160 |
![]() |

|
|
|
|
140160150 |

|
|
|
|
110 |
120130 |
![]() |
|
|
|
|
13094049 |

10+80=
180150160
|
|
|
||
|
160 |
πο |
150 |
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|
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||
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