Question

Calculeaza rapid folosind proprietatile inmultirii
A.36×25=4×??×25=??×??=??
B.28×25=??×??×??=??×??=??
C.16×75=4×??×3×??=??×??
D.32×50=??×8×??×??=??×??

Answer 1

Răspuns:

Explicație pas cu pas:

a ) 36 x 25 = 4 x 9 x 25 = 9 x 100 = 900

b ) 28 x 25 = 4 x 7 x 25 = 7 x 100 = 700

c ) 16 x 75 = 4 x 4 x 3 x 25 = 12 x 100 = 1200

d ) 32 x 50 = 4 x 8 x 25 = 8 x 100 = 800

Answer 2

Răspuns:36*25=4*9*25=4*225=900

28*25=28*5*5=140*5=700

16*75=4*4*3*25=12*100=1200

32*50=4*8*10*5=40*20=800

Explicație pas cu pas: