50x+15x=375
65x=375
x=375:65
x=5,76
1-5.7 2-0.351 3--0.436 4-----0.0079 5---0.658 6---0.00658
<span>1)
24 017 - 15035 < 12 386 - 2 987,
8982 < 9399 </span>⇒ неравенство верно,
<span>
2)
1 674 - ( 673 + 437 ) > 1885 - ( 648 + 664),
1674 - 1110 > 1885 - 1312,
654 > 573 </span>⇒ неравенство верно