Mathematics
Junior High
Resolved
至急!お願いします🙏
左が模範解答で、右が私の答えなのですがこれでもいいでしょうか?
16 (1) (-4x°y'z)?x(2x°y°z)?=16xl°y°z"×4x'y'z?
=16×4×x'°xx*xy°xy*x2?x2?=64x'"y!?z1
-8x°
4x*
3..6
2y
(2) (-2xy)3=4x'y=(-8x°y9=4x*y°=
4..5
1
6°)-a6?-
a°69
27×a'6?
a'6?
27
27
x°y×4xy°×6
3×x°y?
x°y.
6
(がタ×(-2xックー
×4x*y°×
3
=8x'y$
6
x*y
2.,2
a°6°×2a°b
1
(5) (α°6)=(2αt6)×(-2a°b)3Dα°-4α6x(-2a6)=
9,7
2
4a°62
3
3
メy=(-)x(-6xy)=*9=(-等が)×36x"y"
27
128
128
3x*y
8
x36x?y°
128
27x°y3
27 a b
aT b
a669
27 a4 63
ar b?
27
(5)(a6?
(2a6)?×(-2a56)
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