Помогите решить) 300-250x342:900 2010-106x150:300 (867+573):40x102

300 - 250 * 342 : 900 = 205 1) 250 * 342 = 85 500 2) 85 500 : 900 = 95 3) 300 - 95 = 205 2 010 - 106 * 150 : 300 = 1 957 1) 106 * 150 = 15 900 2) 15 900 : 300 = 53 3) 2 010 - 53 = 1 957 (867 + 573) : 40 * 102 = 3 672 1) 867 + 573 = 1 440 2) 1 440 : 40 = 36 3) 36 * 102 = 3 672