700 000 ·(1+ (10/100))²=
=700 000·(1,1)²=
=700 000·1,21=847 000
15 : 5 * 9 = 27 - всего учеников.
27 - 15 = 12 - девочек.
1) 1/6 - 0,5=1/6 - 1/2 =1/6 - 3/6 = -2/6 = -1/3
2) -2,1 * (-1/3) = 21/10 * 1/3 = 7/10 =0,7
38 + 724 - (94 : 47 * 353 : 706) * 751 - 9 + 49 = 762 - 751 + 40 = 51
<span>750:6×4×2-570+5-49×9 + 31 = 1000 - 570 + 5 - 441 + 31 = 1036 - 1011 = 25
</span><span>276:3+846+153:9-33-18×51-4 = 92 + 846 + 17 - 33 - 918 = 955 - 951 = 4
</span><span>2×32×(666-288+96-6-453):192+99 = (762 - 747)/3 + 99 = 104
</span><span>124+516:258×(965-962) -2×434:7+27 = 124 - 6 - 124 + 27 = 21</span>