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= 1. 800 + 70 = ... 2. 70 + 800 = ... 3. 650 + 30 = ... 
650 + 30 = ... 30 + 650 = ... 780 - 120 = ... 120 – 780 = ... 580 + (-20) = ... 580 - 20 =
= 1. 800 + 70 = ... 2. 70 + 800 = ... 3. 650 + 30 = ... 
650 + 30 = ... 30 + 650 = ... 780 - 120 = ... 120 – 780 = ... 580 + (-20) = ... 580 - 20 =
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Putra Gema Nusa
Rockstar Teacher GURU SMA
) Y 800 + 70 = 570 8J 580 – 20 = 560 2) 70 + 800 = 870 ch 3) 650 + 30 = 680 1) 30 + 650 = 680 4 s 5) 780 - 120 = 660 – 6 120 – 780 = -660 7/ 580 + (-20) - 560 Pahamify
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