(1 7/8+5/6)x(1 4/7-3/5)
303156
792121
761270
235174
5636880
4183442
3106782
1584242
8702811
(-2/5)^2
6
1182078
1+1
how is 6/27*9=2
6244601
-q/8 (4v-8)
1*22*5/10*35/10*4