5
8
515
21
1541++ 1--1 56524131241() 1- - 54317192551535 + - + + + 21
7571510- - -+
12128612411241
+ + ++
35353511121144 + + +++
43-(235+10)34+356-8 110+38-25 -(
34-25) 38 + 47 + 58 16+112-6 25 - 5712 - 18 27 - (217 - 8) 56 + 34 - 13 121
2 +(3 -4 ) 910(2514) 215+3+35 913-(313+1226) 25197+4-14
59+(34+12)3215-(15+3) 6
45 - (118 + 4) 16+17+15 131515 - 6 + 6
213 + 6 - 5
12
5-459-9 56 + 49 + 5
9 121514 23+(12-14)
67+8311+11 -156-6
151115434397+18+38+57 815-(8715+18) 3 113
4 - 3 - 4 45 -11933
4 +3 10 +20 -15 1-
712 +34 2728 +﹙1314 -5
7
﹚ 256 -﹙23 +712 ﹚ 15115
4 -52 +76
1517396 -﹙313 -11
2 ﹚ 20-20-20 29+351538-8 14+14+14
14+14+34 1-213-3=
526 +7 +16 525
8 +3 +6
4-41
5 -5
45 -(113212
2 +4 ) 4 -7 +4 +7
2-14 - 13 - 3
5114 12 -(12 -2) 45 +(31348-4) 2-7-7
12+115154-6 8-3+12
153557411
-
8-8 9+12+9 - 7+34-1112 3–(199821 - 14 )
6-(34-215)
32156 2325+13+35 4513 1112+58+38+112 79-18+239-8 611+1115+511-6115+2+4+7 7979916+38+716+18 23 + 4415 -(5 - 5 )
715 + 11311
15 -(10 + 15
) 415 + 7429 - 15 +
9 321224 -7 +4 +7 3531883 2515634969 13-7+713-27
131157128128 11 + 15 + 411 + 2
5
123726 +57 +5
6 + 7 5+10+5 10523611126328 7-(6-12)
24(35798109212) 19-(9-19)
815+13-8425215 9-5+9-5 89+16-34 34-512+16 1-16-38 55513 + 13 + 13
79 +23 - 4
5449 9+7+9 89+(23-12) 7518-12+6
43-(25+310) 12-(34-38) 5-
49-52119 3+(2-4) 3-(96931
14 + 7 ) 10 -(4 -6 )
2-57-277
10(3425) 45-310+23 12-(34-38) 56-(12+1431
3) 5 -10 +5
10-(213 +2 ) 45 -16 +1
3
4911059 23 + 15 -213 + 5= (17317720+10)-(
20-
10)
2425 -454
13 -13 -13
115114312+8+8+12-27-
27 471325-(10-20)+910-(16+3)
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