Jawaban:
a. -2b × a = -2ba
b. x^2 × 3 × y = 3x^2 × y = 3x^2 y
c. a+b / 7
d. 4x - y/5 = 4x - 1/5 y
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Jawaban:
a. -2b × a = -2ba
b. x^2 × 3 × y = 3x^2 × y = 3x^2 y
c. a+b / 7
d. 4x - y/5 = 4x - 1/5 y