tyle ile wiecie, proszę .
Rozwiąż :
a) x-276=485
b)25+x=76
c)471:x=11
d)28*x=56
e) [5-(-5)]*[(-10)-5]=
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a)x-276=485
x=485+276
x=761
b)25+x=76
x=76-25
x=51
c)471:x=56
x=nie wiem
d)28*x=56
x=56:28
x=2
e)[5-(-5)]*[(-10)-5=10*(-15)=(-150)
a)
x-276=485
x=485+276
x=761
b)
25+x=76
x=76-25
x=51
d)
28·x=56I÷28
x=2
e)
[5-(-5)]*[(-10)-5]=10·(-15)=-150
c)
471/x=11I·x
471=11x I÷11
x=42 i 9/11