. Реши примеры
1) 54 : 9 + (8 + 19): 3 - 32:4 - 21 : 7 + (42-14): 4 - (44 - 14):
5
2) 3. (12-8): 2 + 6.9 - 33+ (5 9 - 25): 4.B-4 7 +13=
3) 7 6 + 9.4 - (2 7 + 54:6.5)+ (76 - (27 + 9) + B): 6.
4
4) (37 + 7.4 -17): 6 +7.5+ 33 + 9.3 - (85 - 67): 2.5 =
5) 5.7+(18 + 14}: 4 - (26-8): 3.2 - 28: 4 + 27:3-(17+ 31):
6 =
6) (58 - 31): 3 - 2 + (58 - 16): 6 + 8 . 5- (60 - 42): 3 + 9.2 =
7} (9-7 + 56 : 7} -(2.6 - 4) 3 + 54:9 =
8) (8.5 + 28 : 7} + 12:2-6.5+ (13- 5). 4 + 5.4 =
9) (7.8-14:7) + (7.4 + 12: 6) - 10:5 + 63: 9=
10 (27-19). 4 +18:3+ (6 + 27): 5 - 17
11) 7.7: (16-9) +(13 + 68): 9.(36: 4) =
12} 63: ( 76 - 69)-(31 - 25 : 5 - 24:3): 3=
13) 24 : (18-17):( 27:9).4=
14) (19 + 9): 7+ ( 21 + 21 ): 6-9 =
15} (49-9): 5+ ( 72 - 63 ): 9 =