Відповідь:
1) -36+79-42+79 = -36-42+79+79 = -78+79+79 = 1+79 = 80
2) [tex]5\frac{7}{3} + (-2\frac{1}{3}) - (-3\frac{7}{15}) = \frac{38}{7} + (-\frac{7}{3})-(-\frac{52}{15}) = \frac{38}{7} -\frac{7}{3}+\frac{52}{15} = \frac{570-245+364}{105} = \frac{689}{105} = 6\frac{59}{105}[/tex]
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Відповідь:
1) -36+79-42+79 = -36-42+79+79 = -78+79+79 = 1+79 = 80
2) [tex]5\frac{7}{3} + (-2\frac{1}{3}) - (-3\frac{7}{15}) = \frac{38}{7} + (-\frac{7}{3})-(-\frac{52}{15}) = \frac{38}{7} -\frac{7}{3}+\frac{52}{15} = \frac{570-245+364}{105} = \frac{689}{105} = 6\frac{59}{105}[/tex]