Mathematics
Senior High
Solved
２行目と３行目の間の途中式をお願いします🙇♂️
1 (1+V2+Y3 )(2-ソ12 + 8 )
=(1+Y2 +マ3 )(2-2ツ3 22 )
=2{(1+ツ2 )+Y3 ](【(1+Y2 )-3 ]
=21(1+72 )2-3]
= 2(3+2Y2 -3)
=4/2
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