Mathematics
Junior High
Solved
赤線の部分の意味がわからないです
誰か教えて下さい💦
(4) 6ab2÷ (-3a2)x9a2b=--
6ab2x9a²b
== -18ab³
3a2
=-18×2/2x(-/13)=-18×2/3×(-27)=
5 A-(B-3A)=A-B+3A=4A-B
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