adding and subtracting rational numbers
5.08-30
-24.92
32
9
50+340
390
50-24
26
25 x 3
75
24+71.08
95.08
62
36
2340+980
3320
237-98
139
250 x 5
1250
87-(-47)
134
102
100
340+900
1240
430-80
350
340 x 34
11560
85-(-28.005)
113.005
502
2500
982+35
1017
842-650
192
520 x 98
50960
62.51 + (-97.08)
-34.57
1372
18769
4532+684
5216
9800-243
9557
23 x 45
1035