Jawab : a .| – 9 | =… b. |-7| x |7-3|=…

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Jawab :
a .| – 9 | =…
b. |-7| x |7-3|=…

a. |-9| = 9

b.|-7| x |7-3| = 28

A. |-9| = 9
b. |-7| x |7 – 3|
= 7 x |4|
= 7 x 4
= 28

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