(0.4/ 0.4- 0.4 /0.4)x 0.4=0
(0.4 +0.4)/ 0.4- 0.4 /0.4=1
0.4+ 0.4 +0.4+ 0.4+ 0.4=2
(0.4 +0.4 )/0.4+ 0.4/ 0.4=3
(0.4+ 0.4 +0.4 +0.4)/ 0.4=4
(0.4/ 0.4- 0.4 /0.4)x 0.4=0
(0.4 +0.4)/ 0.4- 0.4 /0.4=1
0.4+ 0.4 +0.4+ 0.4+ 0.4=2
(0.4 +0.4 )/0.4+ 0.4/ 0.4=3
(0.4+ 0.4 +0.4 +0.4)/ 0.4=4