Mathematics, 03.06.2021 15:40 jis0
1. Resolva cada operação a seguir. (a) 9 - 3 = ( c) -19 + 13 = (e) 19 -12 -= (g)-38+ 38 = (b) 12 - 13 = (d) -12 +19 = (f) 21 - 21 = (h)12+13 = i) – 8 + 6 – 1 j) (+8) – (+5) k) – 13 + 7 – 2– 8 + 15 – 1= l) – 2 – 4 – 1 m) (– 8) + (– 5) n) + 22 – 3 – 14 – 5 + 24 + 12= o) 12 – 7 + 3 p)(– 3) + (+ 9) q) (– 2) – (– 3) + ( + 5) r) 4 + 13 – 21 s) (+ 2) + (– 7) t) ( + 6) + (– 7) – (– 2)
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1. Resolva cada operação a seguir. (a) 9 - 3 = ( c) -19 + 13 = (e) 19 -12 -= (g)-38+ 38 = (b) 12 - 1...
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