Question

найди значение выражений, при b=7; c=3. 40b-30c; 98000÷b-c; (6300-b)×c

Answer 1

40b-30c=10*(4b-3c)=10*(28-9)=10*19=190
98000÷b-c=98000/7-3=13997
(6300-b)×c=6293*3=18879

Answer 2

1)40*7-30*3 =190
2)98000 /7-3 =13.997
3)(6300-7)*3 = 18.879