-8 *36 *5= - 1440
4/7 * 9,24 - 4/7 *(-2,27)=4/7*(9,24+2,27)=4/7*11,51=4/7*1151/100=1151/175=6 101/175
5/8 * ( -7/16)*(-2 2/3)*(-1 1/7)= - 5/8 * 7/16 * 8/3 * 8/7= - 5/6
( -5/8+4/9) * 7,2=(-45/72+32/72) *7,2= - 13/72 * 72/10= - 13/10= -1 3/10= - 1,3
(-2,6)² - (-3,2)*( -3/8)+(-6,56)= 6,76 - 32/10*3/8 - 6,56=0,2 - 12/10=0,2 -1,2= - 1