Question

deschideti parantezel apoi calculati​

Answer 1

Răspuns:

a)  4x(6+9)=4x6+9=24+9=33

5x(7-3)=5x7-3=35-3=32

b)(6+8)x7=6+8x7=6+56\62

(10-2)x9=10-2x9=10-18=-8

c)3x(7+8+5)=3x7+8+5=21+8+5=29+5=34

(2+6+9)x4=2+6+9x4=8+36=44

d)2x(8-3-2)=2x8-3-2=16-3-2=13-2=11

(10-5-3)x6=10-5-3x6=5-18=-13

e)9x(8+4-7)=9x8+4-7=72+4-7=76-7=69

(5-2+9)x3=5-2+9x3=3+27=30

Explicație pas cu pas: