I a+b+c=25
ab+bc + ca=36
a+b +c - ?
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Answer:
a=3 b=8 c=1
Step-by-step explanation:
3÷25=
quitent=8
remaider=1
divident=3
a=3 b=8 c=1
3×8+3×1+1×3
24+3+3
24+9
36
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