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15-11-2020
Mathematics

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80+90=8+9 add a 0 to the end of your answer

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15-11-2020

Answer:

The answer is 170

Step-by-step explanation:

Because 8 + 9 = 17, if we multiply all of these values by ten or add a zero to the end of each number, we should get

80 + 90 = 170

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