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Nine-year compulsory education textbook sixth grade math workbook answer 44-46 Please, time limit 10 minutes. Urgent! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
(1) 24 (2) 37.5 (3) 48% (4) 2.5 52 3 (5) 58 (6) 30 to 1 7 to 40 15 to 3 to 10.

(72.4km) (8)70 (9)45-3=42 people14 =15 (10) 3.3 divided by 3= 1. 1 yuan/kloc-0. 438+05%+ 12% = 49% 65438+49 ( 12)60.5 (64.2-60.5)=6. 1%.

50.9 points (55.5-50.9)=9.0% (13)2.8 divided by 80% = 3.5 (14)145000 times 98% =142/kloc-0.

(15)220 times (1+20%)=264 yuan 264 times (1-20%) = 2 1 1.2 yuan 220 is greater than 21/kloc.

(220-2 1 1.2) divided by 220 times 100%=4%.

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