ПОМОГИТЕ ПОЖАЛУЙСТА:упростите выражения 1) 103х-(44х+18х)=
2) 276m-(172m+14m) =
3) 326x+(17x-14x) =
4) 26z+(13z-5z) =
5) 35a+18+15a+11=
6) 42x+45+8x+45=
7) 12y+y+52+8y+3=
8) 204b+30b+6b+56=
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