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Alex2044
a fost răspuns

lucrati in perechi aflati valuarea espresiei:E=100xa-10xb stind ax42+720-720:9=1060 100-b:16+350:7=144

Răspuns :

Danmp
ax42+720-720:9=1060
ax42+720-80=1060
ax42+720=1060+80
ax42+720=1140
ax42=1140-720
ax42=420
a=420:42
a=10

100-b:16+350:7=144
100-b:16+50=144
100-b:16=144-50
100-b:16=94
 b:16=100-94
 b:16=6
 b=6×16
 b=96

E=100xa-10xb
E=100x10-10x96
E=1000-960
E=40


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