1.) -×+2 + ×-7 = ×-7 + -×+2 = -×+2 - ×-7 = ×-7 - -×+2 =
Matematika
widyakayla
Pertanyaan
1.) -×+2 + ×-7 =
×-7 + -×+2 =
-×+2 - ×-7 =
×-7 - -×+2 =
×-7 + -×+2 =
-×+2 - ×-7 =
×-7 - -×+2 =
1 Jawaban
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1. Jawaban NatashaS
1. -×+2+×-7= -×+×+2-7 = -5
×-7+-×+2 = ×+-×-7+2 = -5
-× +2 -×-7 = -2× -5
×-7--×+2 = ×-7+×+2 = 2×-5