selesai kan kak tolong
= 8 - 2 = 6
4 ). -21
= - ( 12 + 9 ) = -21
7 ). 50
= 38 - (-12)
= 38 + 12 = 50 [answer.2.content]
Penjelasan dengan langkah-langkah:
[tex]1. ( + 8) + ( + 2) \\ = 8 - 2 \\ = 6 \\ \\ [/tex]
[tex]4.( - 12) - ( + 9) \\ = - (12 + 9) \\ = - 21[/tex]
[tex]7.( + 38) - ( - 12) \\ = 38 - ( - 12) \\ = 38 + 12 \\ = 50[/tex]
1 ). 6= 8 - 2 = 6
4 ). -21
= - ( 12 + 9 ) = -21
7 ). 50
= 38 - (-12)
= 38 + 12 = 50 [answer.2.content]