1
√50 + √8 + √18
=√25X2 + √4X2 + √9X2
=5√2 + 2√2 + 3√2
=10√2
2)
√75 + √48 + √12
=√3X25 + √3X16 + √3X4
=5√3 + 4√3 + 2√3
=11√3
3)
√27 - √12 + √300
=√3X9 - √3X4 + √3X100
=3√3 - 2√3 + 10√3
=11√3
4)
√175 + √63 + √28
= √7X25 + √7X9 + √7X4
=5√7 + 3√7 + 2√7
=10√7