Question

1. Calculați oral: a) 5 + 35; b) 0 + 64; c) 7 + 49 + 13; d) 100 + 10 + 1; e) 222 - 111 - 333, f) 4 + 6 + 8 + 10 + 12.​

Answer 1

Răspuns:

a) 40

b)64

c)69

d) 111

e)666

f)40

Answer 2

Răspuns:

a) 5 + 35 = 40

b) 0 + 64 = 64

c) 7 + 49 + 13 = 49+7+13=49+20=69

d) 100 + 10 + 1 = 111

e) 222  +111 + 333 = 666

f) 4 + 6 + 8 + 10 + 12 = 40