Càlcul mental

16 + 4 = [blank_start]20[blank_end] 18 + 2 = [blank_start]20[blank_end] 18 - [blank_start]2[blank_end] = 16 12 + 6 = [blank_start]18[blank_end] [blank_start]14[blank_end] + 4 = 18 14 - 6 = [blank_start]8[blank_end] [blank_start]14[blank_end] + 6 = 20 14 - 4 = [blank_start]10[blank_end] 12 + [blank_start]3[blank_end] = 15 [blank_start]16[blank_end] + 7 = 23 12 - [blank_start]4[blank_end] = 8 18 + 5 = [blank_start]23[blank_end] [blank_start]16[blank_end] - 4 = 12 12 + [blank_start]9[blank_end] = 21 [blank_start]16[blank_end] + 9 = 24 16 - 4 = [blank_start]12[blank_end] 12 - [blank_start]6[blank_end] = 6 [blank_start]12[blank_end] + 6 = 18 14 - [blank_start]4[blank_end] = 10 18 + 3 = [blank_start]21[blank_end] 12 - [blank_start]4[blank_end] = 8 16 - 4 = [blank_start]12[blank_end] [blank_start]18[blank_end] - 2 = 16 16 + [blank_start]2[blank_end] = 18 12 - 6 = [blank_start]6[blank_end] [blank_start]14[blank_end] + 8 = 22 14 - 6 = [blank_start]8[blank_end] [blank_start]16[blank_end] - 4 = 12 18 - [blank_start]2[blank_end] = 16 14 + 1 = [blank_start]15[blank_end] [blank_start]16[blank_end] + 5 = 21 17 + 2 =[blank_start]19[blank_end] [blank_start]17[blank_end] - 6 = 11 12 + 6 = [blank_start]18[blank_end] 13 + [blank_start]7[blank_end] = 20 [blank_start]11[blank_end] - 6 = 5 12 + [blank_start]9[blank_end] = 21 [blank_start]18[blank_end] + 2 = 20 13 - 6 = [blank_start]7[blank_end] 14 + [blank_start]4[blank_end] = 18 11 + 7 = [blank_start]18[blank_end] [blank_start]17[blank_end] - 4 = 13 19 - [blank_start]2[blank_end] = 17 [blank_start]18[blank_end] + 2 = 16 15 + 4 = [blank_start]19[blank_end] [blank_start]15[blank_end] - 2 = 13 14 + [blank_start]6[blank_end] = 20 [blank_start]19[blank_end] - 4 = 15 17 - 6 = [blank_start]11[blank_end] [blank_start]19[blank_end] + 4 = 23 11 - [blank_start]4[blank_end] = 7 [blank_start]15[blank_end] - 4 = 11 15 + 7 = [blank_start]22[blank_end] [blank_start]17[blank_end] - 2 = 15 13 - 4 = [blank_start]9[blank_end] 12 + [blank_start]8[blank_end] = 20 [blank_start]15[blank_end] - 6 = 9 17 + 8 = [blank_start]25[blank_end] 19 - 4 = [blank_start]15[blank_end] 17 - [blank_start]4[blank_end] = 13

En Pere acaba de cumplir 4 anys, per tant fa 46 mesos que va nèixer.

En un dipòsit hi ha 33 litres d'aigua. ¿Quantes ampolles de mig litre podré omplir? 66

2 x 8 = [blank_start]16[blank_end] 5 x 7 = [blank_start]35[blank_end] 16 : 2 = [blank_start]8[blank_end] 4 x 5 = [blank_start]20[blank_end] 7 x 8 = [blank_start]56[blank_end] 18 : 3 = [blank_start]6[blank_end] 3 x 9 = [blank_start]27[blank_end] 12 : 4 = [blank_start]3[blank_end] 8 x 4 = [blank_start]32[blank_end] 9 x 5 = [blank_start]45[blank_end] 24 : 6 = [blank_start]4[blank_end] 6 x 3 = [blank_start]18[blank_end] 3 x 8 = [blank_start]24[blank_end] 28 : 4 = [blank_start]7[blank_end] 4 x 3 = [blank_start]12[blank_end] 54 : 9 = [blank_start]6[blank_end] 40 : 4 = [blank_start]10[blank_end] 4 x 9 = [blank_start]36[blank_end] 36 : 9 = [blank_start]4[blank_end] 14 : 2 = [blank_start]7[blank_end] 8 x 6 = [blank_start]48[blank_end] 12 : 2 = [blank_start]6[blank_end] 32 : 4 = [blank_start]8[blank_end] 6 x 5 = [blank_start]30[blank_end] 64 : 8 = [blank_start]8[blank_end] 28 : 4 = [blank_start]7[blank_end] 8 x 5 = [blank_start]40[blank_end] 36 : 6 = [blank_start]6[blank_end] 28 : 7 = [blank_start]4[blank_end] 9 x 4 = [blank_start]36[blank_end] 15 : 5 = [blank_start]3[blank_end] 24 : 2 = [blank_start]12[blank_end] 2 x 4 = [blank_start]8[blank_end] 12 : 6 = [blank_start]2[blank_end] 4 x 4 = [blank_start]16[blank_end] 25 : 5 = [blank_start]5[blank_end] 72 : 9 = [blank_start]8[blank_end] 2 x 3 = [blank_start]6[blank_end] 80 : 8 = [blank_start]10[blank_end] 56 : 7 = [blank_start]8[blank_end] 3 x 7 = [blank_start]21[blank_end] 36 : 6 = [blank_start]6[blank_end] 3 x 3 = [blank_start]9[blank_end] 18 : 3 = [blank_start]6[blank_end] 60 : 6 = [blank_start]10[blank_end] 7 x 8 = [blank_start]56[blank_end] 63 : 9 = [blank_start]7[blank_end] 5 x 4 = [blank_start]20[blank_end] 8 x 7 = [blank_start]56[blank_end] 60 : 6 = [blank_start]10[blank_end] 6 x 7 = [blank_start]42[blank_end] 5 x 3 = [blank_start]15[blank_end] 36 : 9 = [blank_start]4[blank_end] 3 x 7 = [blank_start]21[blank_end] 5 x 2 = [blank_start]10[blank_end] 32 : 8 = [blank_start]4[blank_end] 3 x 4 = [blank_start]12[blank_end] 9 x 7 = [blank_start]63[blank_end] 56 : 8 = [blank_start]7[blank_end] 6 x 8 = [blank_start]48[blank_end]

En Robert té 30 Pokemons. Va perdre la tercera part. Quants Pokemos li van quedar?

En Nahuel em regala 2 bastonets i mig. El meu pare m'ha donat el doble. ¿Quants en tinc en total?

3 x 1,3 [blank_start]=[blank_end] 3,1 x1,3 8 x 0,95 [blank_start]=[blank_end] 8 x 1 6,5 x 1 [blank_start]=[blank_end] 1,05 x 6,5 15x16x2 [blank_start]=[blank_end] 2x16x15 2/3 x 5/4 [blank_start]=[blank_end] 2/3 2/3 x 5/4 [blank_start]=[blank_end] 5/4 18x10 [blank_start]=[blank_end] 18x9 1,5x1,6x2 [blank_start]=[blank_end] 2x1,6x1,5 4x25x100 [blank_start]=[blank_end] 100x99 25 x 48 [blank_start]=[blank_end] 100 x 12 36 x 12 [blank_start]=[blank_end] 18 x 24 45 x 10 [blank_start]=[blank_end] 9 x 2 x 5 x 5 240 [blank_start]=[blank_end] 24 x 11 35 x 15 [blank_start]=[blank_end] 21 x 25 240 [blank_start]=[blank_end] 2,4 x 110

A la classe de matemàtiques hi ha 48 noies més que nois. El número de nois és de 202. ¿Quantes persones hi ha en total? Hi haurà [blank_start]452[blank_end] persones.