2 ms·
I've always translated "x" to "?" (the value to be discovered) as a mental shortcut. The "?" symbol might be easier to interpret for third graders.
by burp3141 9y ago
I've always translated "x" to "?" (the value to be discovered) as a mental shortcut. The "?" symbol might be easier to interpret for third graders.
- colomon 9y agoI think they are used to seeing empty boxes for mystery values.