1) 7(125+192/2) = 7(125+96) = 7221 = 15472) 253+3(563/7) = 253+380 = 253+240 = 4933) 542+235-2713 = 542+235-351 = 776-351 = 4254) 167400/27-9162 = 6200-9162 = 6200-5642 = 558
1) 7(125+192/2) = 7(125+96) = 7221 = 1547
2) 253+3(563/7) = 253+380 = 253+240 = 493
3) 542+235-2713 = 542+235-351 = 776-351 = 425
4) 167400/27-9162 = 6200-9162 = 6200-5642 = 558