Mathematics
Junior High
7、9、10が分かりません教えてください
V=
ゴル
(7) 3r+5y-8=0 (x)
*(9) ²p+9=r (q)
24
文字式の利用
19
-#
El+
6) a-2b-3 (6)
26=(3-0)
+2
b=-3 ta
(8) V=Sh (h)
3X 3sh =V x3
= 3V
h =
Coc=4(a+b) (a)
C: 4a + 4b
40+46 = 0
st
-3ta
h=
3v
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