(1)=-4X2+3X3+2X5=11
(2)=(-10)+8X4-12=10
(3)=11/2X1/6X2/7X4/5=22/105
(4)=22/7X(7-26-2)=-462/7
(5)=8-36+4+15=-9
(6)=-9+(-1/12)x(-12)=-8
(7)-8-4+1X6x6-5=19
(1)=-4X2+3X3+2X5=11
(2)=(-10)+8X4-12=10
(3)=11/2X1/6X2/7X4/5=22/105
(4)=22/7X(7-26-2)=-462/7
(5)=8-36+4+15=-9
(6)=-9+(-1/12)x(-12)=-8
(7)-8-4+1X6x6-5=19