We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website.
Please click on "Accept cookies" if you agree to the setting of cookies. Cookies that do not require consent remain unaffected by this, see
cookie policy and privacy policy.
DECLINE COOKIES

#1**+2 **

Oh, sorry... 98.......198=49+2=51 multiples of two and 99.....198....33...66, 34 multiples of three. We have to subtract the multiples of 6, 102....198, 17..33, 33-16=17. 51+34-17=68.

.tertre Feb 3, 2019

#3**+1 **

I already found out that there are 51 multiples of two, but I didn't get how many multiples of three there were..

noobieatmath Feb 3, 2019