210 using + x 2 3 5 17 19

guestmaths · Post by **guestmaths** » Mon Nov 26, 2007 8:28 pm

Can anyone help.
'Can you make 210 using x + and all the following numbers once each; 2, 3, 5, 17, 19?
At the moment we're tempted to write 'no.'
Thank you.

Guest · Post by **Guest** » Mon Nov 26, 2007 8:35 pm

How about:

5x((19+17) + (2 x 3)) = 5x(36 + 6) = 5 x (42) = 210

MathsMan

chad · Post by **chad** » Mon Nov 26, 2007 8:39 pm

19 x 5 x 2 = 190

3+ 17 = 20

Add them together.. = 210......i Think

(easy way out...look for easy numbers 2x 5 =10....and work from there

Post by **patricia** » Mon Nov 26, 2007 8:44 pm

5 x 2= 10

10 x 19 = 190

190 + 17 + 3 = 210

guestmaths · Post by **guestmaths** » Mon Nov 26, 2007 8:52 pm

Thank you, you make it look so easy (but we do have colds!!!)sniff.