413. Найдите значение суммы
1)-267+(-415)
2)-392+(-108)
3)-2345+(-678)
4)-8346+(-458)
5)-0,26+(-0,74)
6)-0,485+(-0,52)

414. Найдите значение выражения:
1)-569+(-587)
2)-778+(-354)
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