Question

171×4-329×2= , 317×3+15×2= , 840:(956-948)= , 900-269×3+193= , 954:6+(370+180):5= , (390+290):4+528:2=

Answer 1

171×4-329×2=26, 900-269×3+193=286,
317×3+15×2=981, 840:(956-948)=105, 954:6+(370+180):5=269, (390+290):4+528:2=434,