Mathematics
Junior High
四ついっきにできれば途中式ありでお願いします！
口6 0.3.c+1=0.36-0.02.c
T8=: (8+)①
:09-S1:6
3 次の方程式を解きなさい。
DO 0.4(3x-8) =0.&x
口2 0.6c-0.8(c+2.5) =5.2
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