66× 15+22×55, how to use simple operation?
This is a simple operation content of mathematics in the fourth grade of primary school. This problem should be solved by multiplying the distribution rate. The specific solution process is as follows:
66× 15+22×55
=22×3× 15+22×55
=22×45+22×55
=22×(45+55)
=22× 100
=2200
I hope my answer is helpful to you!