210 + (-310)-45tolong jawab pakai cara​

-145

—-

210 + ( -310 ) – 45

= 310 – 210 – 45

= -100 – 45

= -100 + 45

= –145

=210 + (-310)-45

=210 – 310 – 45

=-100 – 45

=-145

Maaf kalo salah 🙂