G3 Ch 2

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DSUBTRACTION IICDUNGQVZZP SAFHTNZUUIXR PUZFEMMKWWKO ABBJECIKLIOP YNBTYRKNVVSE TXGLRAEIUAOR VESMVAINNEHT VKGJZAHVCGNY NVYMXJKEJESD REGROUPINGUS IDENTITYADWN
1.
Subtraction
2.
Regrouping
3.
Minuend
4.
Subtrahend
5.
Difference
6.
Checking
7.
Property
8.
Identity