Question

20 explemple adunari nr rationale! Pls!
Dau coroana!

Answer 1

5 + 2,2
7,6 + 2
6 supa 3 + 7 supra 5
5 + 4
-2 + 3,4
-2 supra 7 + 7 supra 3
-9 + 10
-180 + 2017
- 2017 supra 2 + 2 supra 2
67 + 6,7
1738 + 19393
12,(3) + 16,(3)
728,2+82,3
5 + 2
4+ 72829
69,34 + 10 supra 5
13 + 16 supra 13
3 + 2
100 supra 100 + 100 supra 100
9 + 183630
13,4(4) + 13,4(5)

Answer 2

+2+4=+6
-34+-55=89
+45+-4=+41
+4•+2=+8

-16:-4=-4
+4+-5=-9
+1+1=+2
+7•+3=+21
-5•-5=-25
+4•-3=+12
+3-+1=+2
-4+-10=-14
+6•+6=36
+8•+2=+16
-9-4=-5
+7•+7=+49
+10-+9=+1