Решите задачи 3×7+9=, 8×2+4=, 15÷3+25=, 27÷3-9=, 3×9-7=, 7×2-4=.

Question

Решите задачи 3×7+9=, 8×2+4=, 15÷3+25=, 27÷3-9=, 3×9-7=, 7×2-4=.

Answer 1

3×7+9=30, 8×2+4=20, 15÷3+25=30, 27÷3-9=0, 3×9-7=20, 7×2-4=10.