Kontrolnaja Po Matematike 4 Klass Zankov Apr 2026

Increase each recorded number by 89 units of the second class and 43 units of the first class.

Modify the problem statement to make the solution shorter. Solve your new version. kontrolnaja po matematike 4 klass zankov

81 units of the first class and three times fewer units of the second class. Increase each recorded number by 89 units of

A plane traveled a total of 6,590 km. For 4 hours, it flew at a speed of 920 km/h, and the remaining distance was covered at a speed of 970 km/h. a) How many total hours was the plane in flight? 590 km. For 4 hours