Hitunglah operasi berikut! 1).3/5×1/2+3/2×4/5 2).1/5×3/5+3/5-3/5×1/5

1.)3/5×1/2+3/2×4/5
= 3/10+12/10
=15/10
=3/2
2.)1/5×3/5+3/5-3/5×1/5
=3/15+3/5-3/15
=3/15+9/15-3/15
=12/15-3/15
=9/15
=3/5

1.3/5×1/2+3/2×4/5=6/10×5/10+15/10×8/10=30/10+120/10=150/10

21/5×3/5+3/5-3/5×1/5=1/5×3/5+3/5-3/5×1/5=3/5