kk bantuinbdong tp pakai jalan nya ya

2 2/5×1 1/2+4 2/5÷ 1 1/10-1 1/2
caranya di kelompokkan dulu
(2 2/5×1 1/2)+(4 2/5÷1 1/10)-1 1/2
=(12/5×3/2) +(22/5÷11/10)-3/2
=18/5 + (22/5×10/11)-3/2
=18/5+44/11-3/2
=3 3/5+4-1 1/2
=7 3/5-1 1/2
=6 1/10