Question

2. Calculează în două moduri, după model.
Model
(25 + 60): 5 = 85 : 5 = 17
(25 + 60): 5 = 25:5 + 60 : 5
= 5 + 12 = 17
(14 + 84):7
(12 + 32): 2
(64 + 32):4
(12 + 32 +24):2
(15 +60 + 21) :3 rog urgent, dau coroana!​

Answer 1

(14+84):7= 98:7= 14
(14+84):7= 14:7 + 84:7= 2+12=14
(12+32):2= 44:2=22
(12+32):2= 12:2 + 32:2= 6+16=22
(64+32):4= 96:4= 24
(64+32):4= 64:4 + 32:4= 16+8=24
(12+32+24):2= 68:2= 34
(12+32+24):2= 12:2 + 32:2 + 24:2= 6+16+12=34
(15+60+21):3= 96:3= 32
(15+60+21):3= 15:3 + 60:3 + 21:3= 5+20+7= 32
vr coroana

Answer 2

Răspuns:

(14+84):7= 98:7= 14

(14+84):7= 14:7 + 84:7= 2+12=14

(12+32):2= 44:2=22

(12+32):2= 12:2 + 32:2= 6+16=22

(64+32):4= 96:4= 24

(64+32):4= 64:4 + 32:4= 16+8=24

(12+32+24):2= 68:2= 34

(12+32+24):2= 12:2 + 32:2 + 24:2= 6+16+12=34

(15+60+21):3= 96:3= 32

(15+60+21):3= 15:3 + 60:3 + 21:3= 5

Te rog măcar o coroană te rog!!!