Răspuns :
Răspuns:
357:a=21
a=357:21
a=17
1536:(b+20)=64
b+20=1536:64
b+20=24
b=24-20
b=4
(176:4+8×7):c=20
(44+56):c=20
100:c=20
c=100:20
c=5
Răspuns:
a casuta 17 ; b casuta 4 ; c casuta5
Explicație pas cu pas:
357÷21=17
1536÷( 4+20)=64
(44+56)÷c=20
c=100÷20=5