tlg di jwb yh berapa jumlah dari ? -2 + 3 3+-2 (-2 + 3) + 4 -2 + (3 + 4)

= -2 + 3
= 3-2
= 1

= 3 + (-2)
= 3-2
= 1

= (-2 + 3) + 4
= (3-2) + 4
= 1 + 4
= 5

= -2 + (3+4)
= -2 + 7
= 7-2
= 5