+7 +7 +7 +7 +7 +7 +7 +7 +7 7 -7 -7 -7 -7 -7 -7 -7 -7 -7 70 7 x 1= 7 x 10= 7 x 2= 7 x 9= 7 x 3= 7 x 8= 7 x 4= 7 x 7= 7 x 5= 7 x 6= 7 x 6= 7 x 5= 7 x 7= 7 x 4= 7 x 8= 7 x 3= 7 x 9= 7 x 2= 7 x 10= 7 x 1= -70-