Question

2) aflati termenul necunoscut

m x 45 = 405 y : 25 = 8 rest 5 248 : 4 x f = 868

8 064 : x = 14 124 : g = 60 rest 4 1 000 – 39 x r = 493

a : 129 = 307 6 x d + 180 = 930 70 x z – 3 000 = 150

Answer 1

Răspuns:

mx45=405

m=405:45

m=9

y:25=8 rest 5

y=8x25+5

y=200+5

y=205

248:4xf=868

62xf=868

f=868:62

f=14

8064:x=14

x=8064:14

x=576

124:g=60 rest 4

g=(124-4):60

g=120:60

g=2

1000-39xr=493

39x r=1000-493

39xr=507

r=507:39

r=13

a:129=307

a=307x129

a=39 603

6x d+180=930

6xd=930-180

6xd=750

d=750:6

d=125

70x z-3000=150

70 x z=150+3000

70xz=3150

z=3150:70

z=45