1. -356 + (-146) = 2. -2,4 + (-5,5) =
3. -0,2 + (-61) =
4. -8,55 + (-69) =
5. -77,15 + (-40,81) =
6. -60 + (-780) + (-3) =
7. -6,8 + (-4,3) + (-6,57) =
8. -16,19 + (-368) + (-73) =
9. -88 + (-10) + (-20) + (-56) =
10. Найдите значение выражения: x + y + z,
при условии, что x = -5,8; y = -8; z = -1.
11. Упростите выражения: -617 + t + (-46) =
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