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One autumn morning the temperature went up from -4 ° C to 5° Ca. By how many degrees did the temperature rise?b. During the afternoon the temperature then fell by seven degrees from 5°C .What was the temperature at the end of afternoon? |
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Answer» a. 5c°-(-4c°) =5c°+4c°=9c°ans. b.5c°-7c°=-2c°ans. |
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