\(\text{-75.(18-65)-65.(75-18)}\)
\(=-75.18+75.65-65.75+65.18\)
\(=\left(-75+65\right).18+75.\left(65-65\right)\)
\(=-10.18+75.0\)
\(=-180\)
học tốt
-75.(18-65)-65.(75-18)
= −75.18 + 75.65 − 65.75 + 65.18
= −75 + 65 .18 + 75. 65 − 65
= −10.18 + 75.0
= −180