Question

150+(85+18)=(150+85)+____.
please explain please explain please explain please ​

Answer 1

answer is 150

2+3 =3+2 like this method

Answer 2

$\fcolorbox{green}{aqu}{Answer:}$

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↦$\tt{150\:+\:(85+18)\:=\:(150+85)\:+}$____.

↦$\tt{150\:+\:103\:=\:(150+85)\:+}$____.

↦$\tt{253\:=\:235\:+}$$\tt\blue{18}$

↦$\tt{253\:=\:253}$

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$\tt\purple{Proved\:✔}$