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Anastaziya [24]
3 years ago
6

Help me please 38 points!!!

Mathematics
2 answers:
kolbaska11 [484]3 years ago
7 0

Answer:

1). 10 * 5 = 50

2). 1/2 * 4* 3 = 6

3). 10 * 3 * 10 = 300

4). 2(5) + 2(7) = 10 + 14 = 24

5). 4 * 2² = 4*4 = 16

6). 7 * 8 * 2 = 56 * 2 = 112

7). 1.3 * 15 = 19.5

8). 3(6 + 11) = 3* 17 = 51

9). 45/9 = 5

10). 2 *14² = 2* 196 = 392

11). 5 * 12 * 7 = 60 * 7 = 420

12). 1/2 * 9 * 12 = 54

13).1/2(24)(9 + 21) = 12 * 30 = 360

14). 14 * 13 = 182

15). 16 * 8 * 5 = 640

16). 75/5 = 15

17). 2(5²) = 2 * 25 = 50

18). 8(2.5 + 4.2) = 8 * 6.7 = 53.6

19). 1/2(3)(5 + 6) = 33/2 = 16.5

20). 3.14(6²) = 3.14 * 36 = 113.04

Anon25 [30]3 years ago
5 0

Answers:

1. 10*5 =50

2. \frac{1}{2} *4*3=2*3=6

3. 10*3*10=30*10=300

4. 2(5)+2(7)=10+14=24

5. 4*2^{2} =4*4=16

6. 7*8*2=56*2=112

7. 1.3*15=\frac{13}{10}*15=19.5

8. 3(6+11)=3*17=51

9. \frac{45}{5} =\frac{5*9}{5} =9

10. 2*14^{2} =2*196=392

11. 5*12*7=60*7=420

12. \frac{1}{2} *9*12=\frac{12}{2} *9=54

13. \frac{1}{2}(24)(9+21)=12*30=360

14. 14*13=182

15. 16*8*5=128*5=640

16. \frac{75}{5}=\frac{5*15}{5}=15

17. 2(5^{2} )=2*25=50

18. 8(2.5+4.2)=8*6.7=53.6

19. \frac{1}{2} (3)(5+6)=1.5*11=16.5

20. 3*14(6^{2} )=3*14*36=42*36=1,512

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