fractions
5/4+2/4
7/4
138.500+100.300
238.800
200-(400x5)
1800
2x3x5
30
1570-1550
20
2/4X5/2
10/8
378.564-200.030
178.534
50+(350-300)
100
15x20
300
78X5
390
7/7 / 5/4
28/35
23.8 X 72.1
1715.98
4x(120-20)
400
50x10x5
2500
1,482,939-657,938
825001