SUMES
177
+
415
=
____________________
952
+
____________________
=
1435
6415
+
1970
=
____________________
5854
+
4402
=
____________________
RESTES
491
-
____________________
=
145
732
-
177
=
____________________
5898
-
1742
=
____________________
8587
-
1224
=
____________________
MULTIPLICACIONS
475
*
15
=
____________________
269
*
32
=
____________________
940
*
28
=
____________________
