Question

Calculeaza in doua moduri:

a) (6+7+4) x 8;

b) (36-16-8) : 4;

c) (4+8+3) x 4

Answer 1

a) (6+7+4)x8=136
modul 2: 6x8+7x8+4x8=136

b) (36-16-8):4=3
modul 2: 36:4-16:4-8:4=3

c) (4+8+3)x4=60
modul 2:4x4+8x4+3x4=60

Cu placere