Mathematics
Junior High
なぜ
=48
になるんですか???
(1) y=3.(-4SzM-2)
=-4のとき,
リ=3×(-4)=48
エ=-2のとき,
リ=3×(-2)?=12
y
48
ST-
12
-4-2|0
16
12<y<48
8
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