7дм2=700см2----> 700+34=734 см2
2т=2000000 ----->2000000+56=<span>2000056г </span>
<span>a)1 1/2-2/3 = 9\6 - 4\6 = 5\6
в) 1 1/8-1/4 = 9\8 - 2\8 = 7\8
д) 2 3/10-4/15 = 345\150 - 40\150 = 305\150 = 2 5\150 = 2 1\30
б) 1 1/4-1/3 = 15\12 - 4\12 = 11 \ 12
г) 1 2/3-5/6 = 10\6 - 5\6 = 5\6
е) 3 1/4-5/6 = 78\24 - 20\24 = 58\24 = 2 10\24 = 2 5\12</span>
1.1000-480/6*5 = 6002.<span>(1000-480)/2=260
3.600>260</span><span>
</span>
Х-5.18=11.58
х=11.58-5.18
х=6.40
<em>9×=27</em>
<em>3²×=3³⇒2х=3⇒х=1.5</em>