1. 46,17:3,8 = 2. 3,1-2,3×0,005= 3. 0,45+3 1/4×20 persen =

1.12,15
= 3,8/46,17
________×10
38 461,7
38
_____-
81
76
_____-
57
38
______-
190
190
______-
0

2.3,1-2,3×0,005=
(kerjakan yang kuat dulu,yaitu perkalian)
=2,3×0,005
=0,0115
=3,1-0,0115
=3,1000
0,0115
_______-
3,0885

3.0,45+ 3 1/4×20=
=3 1/4=13/4×20=65
=0,45+65
=65,45