pakai cara!besok dikumpul!makasih. 1. 9 - (-4) + 9 = 2. 5 - (-4) : 2 + (-9) x 3 = 3. 1+3+5+...+15+17+19 4. 3¼ x 3/2 : 2/5 = 5. 32/4 + 3/2 : 20/10 =

1. 9+4+9 = 22
2. 5-(-2)-27 = -20
3.
4. 3.25x1,5:0,4 = 12,1875

1. 9 - (-4) + 9 =
9+4+9=22
2. 5 - (-4) : 2 + (-9) x 3 =
=5-(-2)+(-27)
=5+2-27
=7-27
=-20

4. 3¼ x 3/2 : 2/5
=3/4x3/2:2/5
=9/8:2/5
=9/8x5/2
=45/16

5. 32/4 + 3/2 : 20/10
=32/4+3/2x10/20
=8+30/40
=8+3/4
=8 3/4