Question

(64:8 + 70 X6 + b ) : [72:4-(6×70-53)]=7​

Answer 1

Răspuns:

(64:8+70×6+b):[72:4-(6×70-53)]=7

(8+420+b):[18-(420-53)]=7

(420+b):[18-367]=7

c:249=7

c=249×7

c=1743

420+b=1743

b=1743-420

b=1323 Răspuns:b=1323