(1-5)-81+2
-83
8²×2-14-12
102
7 4/8 - 5 3/8
2 1/8
(4³×3²)÷4
144
(5³+7)×2
264
9/25 ÷ 27/5
1/15
4+(9²-7)×7
522
3/5 × 3/4
9/20
(3+1)×8×4
128
35.4 × 20.3
718.62
6-1+7
12
3-(2³÷1)+5
0
(2-7)-8-3
-16
78 × 5.2
405.6
2/5 ÷ 3/4
8/15