Hitunglah. 1. (-2,7) – (-3,4) 2. (-1) – (+0,8) 3. (1/5) – (-4/5) 4. (-3/4) – (-1/2)

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kali ini kita akan membahas soal berikut nya…
Hitunglah. 1. (-2,7) – (-3,4) 2. (-1) – (+0,8) 3. (1/5) – (-4/5) 4. (-3/4) – (-1/2)
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