Question

Помогите с номерами 11, 12

Answer 1

1)×+287=486

×=486-287

×=199

199+287=486

2)×÷11=22033

×=22033×11

×=242363

242363÷11=22033

3)403-×=265

×=403-265

×=138

403-138=265

4)725÷×=29

×=725÷29

×=25

725÷25=29

5)×-288=513

×=513+288

×=801

801-288=513

6)47×Х=47000

×=47000÷47

×=1000

47×1000=47000