1) 3,4+5,3= a) 8,7 b) 7,8 c) 8 d) 9 2) 3,5+2,7= a) 5 b) 6,2 c) 10 d) 5,2 3) 32,2+20,1= a) 52 b) 52,3 c) 50,1 d) 34,2 4) 14,32+10,12= a) 24,44 b) 24 c) 23 d) 24,32 5) 112,1+3,1= a) 115,2 b) 115 c) 115,3 d) 3,1 6) 18,6 - 3,5 a) 15,1 b) 21,11 c) 15,2 7) 24 - 1,5 a) 23,9 b) 22,5 c) 25,5 8) 45,7 - 2,7 a) 43,7 b) 47 c) 43 9) 25,2 - 24,8 a) 0,4 b) 4 c) 1,4 10) 125,6 - 100,4 a) 25, 1 b) 25,2 c) 225,10
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calcolo mentale decimali 2
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Tommi94
Primaria
Matematica
Numeri e operazioni
Frazioni e decimali
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