## multiplication

400×5089=?

## preduction

what is the signal

## preduction

what is the signal

## preduction

what is the signal

## preduction

what is the signal

## preduction

what is the signal

## preduction

what is the signal

## preduction

what is the signal

## preduction

what is the signal

## preduction

what is the signal

## preduction

what is the signal

## addition

119+0475