marsyella31
marsyella31
27-03-2017
Mathematics
contestada
can you help me plz!!!!
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Аноним
Аноним
27-03-2017
First one, equivalent. (because two times 9z is eighteen z and two times 9w is eighteen w. And eighteen z plus 12z is thirty) second one is equal for similar reasons. Third one is also equal. The last one is not equal.
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Аноним
Аноним
27-03-2017
the first one is not and the third one is and two is and the fourth one is not
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