3,5 - 11/3 ) : 2/13 = - 1_1/12
1 2
1) 3,5 - 11/3 = 3_1/2 - 3_2/3 = 3_3/6 - 3_4/6 = -1/6
2) -1/6 : 2/13 = -1/6 * 13/2 = - 13/12 = -1_1/12
1)
936 : 8 + (157 - 67) : 6 * 7 = 222
1) 157 - 67 = 90
2) 936 : 8 = 117
3) 90 : 6 = 15
4) 15 * 7 = 105
5) 117 + 105 = 222
2)
320 * 3 = 960
126 + 169 = 295
960 - 295 = 665
504 : 4 = 126
Выражение:
320 * 3 - (504 : 4 + 169) = 665
1)4575:15=305
2)62*93=5766
3)49184+305=49489
4)49489-33999=15490