West Bengal Board Solutions for Chapter: Concept of Directed Numbers and Number Line, Exercise 7: Let's do ourselves - 16.1

Add the following numbers: $\left(+31\right)+\left(+13\right)+\left(-16\right)$

Add the following numbers: $\left(+25\right)+\left(-16\right)+\left(+2\right)$

Add the following numbers: $\left(-11\right)+\left(+18\right)+\left(-16\right)$

Add the following numbers: $\left(-2\right), \left(-10\right), \left(+21\right)$

Add the following numbers: $\left(-18\right), \left(-7\right), \left(-2\right)$

Add the following numbers: $\left(+10\right), \left(-8\right), \left(-10\right)$.

Add the following numbers: $\left(-8\right), \left(-10\right), \left(+2\right)$.

Add the following numbers: $\left(-19\right), \left(-9\right), \left(+5\right)$.