Събиране и изваждане до 100
2 клас
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20 + 40 =answers8060100
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40 - 10 =answers205030
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100 - 70 =answers308040
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50 + 20 =answers70607
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50 = 40 +answers901020
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100 = 90 +answers301050
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... = 30 + 70answers4010030
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... = 100 - 40answers607050
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... = 80 - 20answers1006030
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... = 40 - 30answers105070
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30 - ... = 20answers502010
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70 - ... = 40answers203090
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50 + ... = 90answers4010070
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80 - ... = 60answers2030100
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... - 50 = 40answers1010090
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... = 100 - 40answers503060
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... - 20 = 10answers304050
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100 = ... + 90answers103070
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70 = ... - 20answers5010090
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... = 30 + 30answers07060
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10 + ... = 20answers301050
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... - 30 = 70answers1004060
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40 - ... = 40answers80040
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