66. Өрнекті ықшамдаңдар:
1) 103х - (44х + 18х);
3) 326х + (17х- 14х);
5) 35а + 18 + 15а + 11;
7) 12y+y+ 52 + 8 + 3;
2) 276m - (172m + 14м);
4) 262 + (132 - 52) + 2;
6) 42х + 45 + 8х + 45;
8) 204b + 30b + 6 + 56.
көмектесіңдерші​
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