Натуральні числа. Додавання тавіднімання натуральних чисел. Діагностична робота

Mathematics 5th grade. Diagnostic work on the topic: Natural numbers. Adding and subtracting natural numbers 1. In the first plot, 63 trees grew, which is 14 more than in the third, and in the second - 19 less than in the first. How many trees grew in the three plots together? 2. Fifth-graders were taken on an excursion in three buses. In the first and second buses together there were 86 students, in the second and third - 79, and in the first and third - 83. How many students in each bus separately? #5thgrade #mathematics #nush