Question

Aflaţi numarul natural × pentru care :
a) 63: × = 7
b) × ÷ 12 = 17
c) × ÷ 1 = ×
d ) 491 ÷ 167 = ×
e ) × ÷ 25 = 60
f ) 2 × < 6 .

Answer 1

a)63:x=7
    x=63:7
    x=9
b)x:12=17
   x=12x17
   x=204
d)491:167=x
    491:167=2,94011976047
e)x:25=60
   x=1500
f)2x<6
   x<3