319x3-146x2=957-292=665
848:4+369:3+125:5=212+123+25=360
197x2+208x2=394+416=810
264:2+858:2-285:5=132+429-57=561-57=504
317x3-256 x2=951-512=439
886:2+903:3-176x3=443+301-528=744-528=216
625:5-117:3=125-39=86
762:2+588:2-126x4=381+294-504=675-504=171
175x3+420:6=525+70=595
586:2+963:3-116x5=293+321-580=614-580=34
229x3-264:4=687-66=221
936:3-484:2+164:2=312-242+82=70+82=152
162x4+109x2=648+218=866
448:4-306:3+189x2=112-102+378=10+378=388
202x4-215:5=808-43=765
639:3-484:4+110:10=213-121+11=92+11=103