Răspuns :
a : 7 = 127
a = 125 x 7
a = 875
b : 2 = 275
b = 275 x 2
b = 550
7 x c = 91
c = 91 : 7
c = 13
d : 7 = 896
d = 896 x 7
d = 6272.
a = 125 x 7
a = 875
b : 2 = 275
b = 275 x 2
b = 550
7 x c = 91
c = 91 : 7
c = 13
d : 7 = 896
d = 896 x 7
d = 6272.
a:7=125
a=125×7
a=875
b:2=275
b=275×2
b=550
7×c=91
c=91:7
c=13
d:7=896
d=896×7
d=6272
a=125×7
a=875
b:2=275
b=275×2
b=550
7×c=91
c=91:7
c=13
d:7=896
d=896×7
d=6272