Ответ:
401 − 148 = 253; 235000 : 50 = 4700; 270 · 5 = 1350; 8000 · 30 = 240000; 32 · 60 = 1920; 8370 : 93 = 90; 83 + 505 = 588; 81 + 470 = 551; 390 + 22 = 412; 736 + 30 = 766; 920000 : 800 = 1150; 529 − 50 = 479; 763 − 522 = 241; 679 − 556 = 123; 964 − 820 = 144; 42 · 80 = 3360; 45500 : 91 = 500; 67000 : 67 = 1000; 318000 : 53 = 6000; 81000 : 30 = 2700.
