Частина 2. Номер 40
600 – (230+ 90) = 280
380 + 160 – 250 = 290
230 + 70 – 140 = 160
160 + (440 – 180) = 420
1000 – 310 + 150 = 840
920 – 130 – 290 = 500
600 – (230+ 90) = 280
380 + 160 – 250 = 290
230 + 70 – 140 = 160
160 + (440 – 180) = 420
1000 – 310 + 150 = 840
920 – 130 – 290 = 500