1) 41 + 4 = a) 45 b) 42 c) 44 2) 8 - 6 = a) 14 b) 4 c) 2 3) 30 + 9 + 2= a) 42 b) 41 c) 39 4) 3 + 7 = a) 4 b) 11 c) 10 5) 76 + 9 = a) 79 b) 85 c) 86 6) 6 + 7 = a) 10 b) 12 c) 13 7) 80 + 8 = a) 88 b) 89 c) 8 8) 90 - 2 = a) 90 b) 88 c) 86 9) 7 - 2 = a) 9 b) 3 c) 5 10) 15 - 8 = a) 6 b) 8 c) 7 11) 31 - 5 = a) 25 b) 26 c) 22 12) 102 + 38 = a) 160 b) 150 c) 140 13) 200 - 1 = a) 201 b) 199 c) 190 14) 1000 + 10 = a) 1010 b) 1001 c) 1001
CÁLCULO MENTAL.1
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Dilmade
6 a 8 anos
Ensino fundamental I
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