4
5
3
5
3
2
5
3
6
4
5
59
++3 9
4
8 ++5 8 +7 4
7
5+47 +25
53
11 -167 +16 11
4
5
3
5
3
2
5
3
6
4
5
59
++3 9
4
8 ++5 8 +7 4
7
5+47 +25
53
11 -167 +16 11
3
5
3
4
4
5
1
4
4
4
4
4
27
+39 -37 +19 +17
+
8 + 4 +
5 +95 +99 5 +999 5 +9999 5
4
4
5
14
3
1
5
5
1
45
-(25 +12 )
5-2
17 -1 17
-15
6-4 6
9
6 ×+4 4 ÷6
5
1
3
5
3
9
9
9
× + 8 + 2
× %
31
8 × 7213 ÷ 318
×(10+10+ 10
9
+10 )
3
1
1
7
1
22× 4 +25 × 75%-7×
× -4 ×132
6
15 × -2 2 ×
7
415
8
1
7
4
4
3
39 ++1 9 +1 8
16
5 +(2 7 -)
(111+999)
÷[56 ×( 7
3
-8)]
3
1
7
14
5
4
7
7
4
×105 -(50-
2 ) ×
11 ×419 +5 19 ÷17 + 11
45
×( 9 + 15 -)
3
1
3
1
7
897× 8
- %+104×
3
4
×(5 8
- )
× 14 +
×210 +
4
5
1. 71 ×99 2. 3755+2996 3.
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