Question

800000-645*402:90*170

Answer 1

Ответ:

1) 645*402=259290

2) 259290:90=2881

3) 2881*170=489770

4)800000-489770=310230

Answer 2

$800000 - 645 \times 402 \div 90 \times 170 = \\ 800000 - 489770 \\ \bf = 310230$