Question

реши уравнения:х•5=350+150;700-у=90+10;b:2=350+50;a•5=450-400

Answer 1

350+150=500 500:5=100. 90+10=100. 700-100 =600. y=600. 350+50=400 400•2=800. 450-400=50. 50:5=10