Teacher Yinxue

This page lists questions and answers that were posted by visitors named Teacher Yinxue.

Questions

The following questions were asked by visitors named Teacher Yinxue.

Answers

The following answers were posted by visitors named Teacher Yinxue.

First use a round number (up or down is okay) that is easy to find the answer for. "Say that you have 5980 divided by 347 Estimate by using 6000/300 = 20" It's easier to calculate for 6000/300 than 5980/347, right? So get that answer which is 20. If you l...