Ответ:238 + 436 = 674.4 385 + 2 697 = 7 082.843 − 457 = 386.9 000 − 540 = 8 460.3 400 − 896 = 2 504.23 · 46 = 1 058.98 · 34 = 3 332.945 : 15 = 63.