1) 35*(28+32) 35*60 35
---------------------- =----------------= ----------- = 2,3
900 900 15
2)57*(62-34) 57*28 57
------------------ = --------------- = --------- = 3
532 532 19
3)48*(31+19) 48*50 48
--------------- = -------------- = --------- = 1,5
1600 1600 32
4)17*(96-24) 17*72 72 18 3
------------------ = ----------- = ------- = ------- = ------- = 0,3
4080 4080 240 60 10
1)90200-9607=80593
Проверка:80593+9607=90200
2)7880÷8=985
Проверка:985×8=7880
3)1т872кг+2т228кг=1872+2228=4100=4т100кг
Проверка:4100-1872=2228
Ответ: Числа 16, 27, 38<span>
</span>
672/12=56
108/12=9
60/15=4
117/13=9
90/18=5
153/17=9
102/17=6
56/14=4
96/16=6
144/16=9