Work in pairs. Ask your partner what you should do. If you are not sure what to say, use the words from the box below. Example:"I want to know what my rights are. What should I do?"

maxfum maxfum    2   17.04.2019 04:30    0

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olesyasa1 olesyasa1  04.06.2020 13:53
D = 4
a60 = a1+(n-1)*d
a60 = -1+59*4 = 235
S = ((a1+an)/2)*n
S = (-1+235)/2 * 60= 7020
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