Addition
102 x 103
105
105 / 102
103
(102)1
102
(103 x 104)/103
104
52 x 53
55
104 x 102
106
104 / 104
1
(105)2
(10-4 x 104)4
1
(74 x 75)/76
73
105 x 107
1012
108 / 102
106
(104)-2
10-8
((103 x 104)2)/107
107
(64)4
616
105 x 102 x 106
1013
105 / 1015
10-10
(107)3
1021
((10-5 x 107)3)/108
10-2
(45 x 46)/43
48
102 x 105 x 107 x 105
1019
106 / 108
10-2
(10-4)-5
1020
((10-6 x 104)2)/107
10-11
((9-7 x 94)2)/96
9-12