Find: 413÷3
State the given data and simplify:
The given expression is 413÷3.
It can be simplified as,
413÷3=4×3+13÷3 ∵abc=a×c+bc
⇒413÷3=12+13÷3⇒413÷3=133÷3
⇒413÷3=133×13 ∵thereciprocalof3=13
⇒413÷3=13×13×3 ∵ab×cd=a×cb×d
⇒413÷3=139
Hence, the value of 413÷3 is 139.
Determine whether the following numbers are in proportion or not:
412,713,54,88
Without finding cubes find the value(1\4)3 +(1\3) 3-(7\12)3