Răspuns :
Răspuns:
a+156=519/-156 (=) a=363
a:2=10/*2 (=) a=20
a*9=36/:9(=)a=4
a-356=429/+356 (=) a=785
48:a=6(=) a=48:6 (=) a=8
Răspuns:
1. a+156=519
a=519-156
a=363
2. a:2=10
a=2x10
a=20
Tot asa
Răspuns:
a+156=519/-156 (=) a=363
a:2=10/*2 (=) a=20
a*9=36/:9(=)a=4
a-356=429/+356 (=) a=785
48:a=6(=) a=48:6 (=) a=8
Răspuns:
1. a+156=519
a=519-156
a=363
2. a:2=10
a=2x10
a=20
Tot asa