Find the value of $\left(5+6\right)\times6$(5+6)×6
Find the value of $\left(6-5\right)\times4$(6−5)×4
Find the value of $\left(11-4\right)\times\left(12-4\right)$(11−4)×(12−4)
Place value (recapitulation and extension), connectives: use of symbols =, <, > and use of brackets