____Ngốc cuồng BTS____:
-75+(-49)+|-75|+49-12
=-75+(-49)+75+49-12
=[-75+(-49)]+(75+49)-12
=-124+124-12
=0-12
=-12
\(-75+\left(-49\right)+|-75|+49-12=-75-49+75+49-12\)
\(=\left[\left(75-75\right)+\left(49-49\right)\right]-12=0+0-12=-12\)
tôi cuông bts đây
=-75+(-49)+75+49-12
=-124+75+49-12
=-49+49-12
=0-12
=-12
-75+(-49)+|-75|+49-12
=-124+75+49-12
=(-49)+49-12
=0-12
=-12