7 3/8-5=(7-5)3/8=2 3/8
(2 -это целая часть)
(12 : 3 + 4) * 5 = 40
((1 + 5) * (3 + 4)) - 2 = 40
(1 - 2 + 3) * 4 * 5 = 40
(- 1 + 2 + 3 + 4) * 5 = 40
0,103 * 10 = 01,030; 7,549*100 = 754,900; 3,5463*1000 = 3546,3000; 13,7*10 = 137,0; 2,15*100 = 215,00; 12,7 * 100 = 1270,0; 6,5*10 = 65,0; 8,071*100 = 807,100; 6,304 * 1000 = 6304,000