a minh ko biet làm

b)16,34-(12,45-8,45)=16,34-4=12

c)12,75-(7,28+1,72)=12,75-9=3,75

a: \(-177-\left\lbrack89+\left(-177\right)+75\right\rbrack-\left(-25\right)\)

=-177-[89-177+75]+25

=-177-89+177-75+25

=-89-50

=-139

b: \(2\cdot\left\lbrack16+\left(-12\right)-5\right\rbrack+\left(-32\right)-\left(-10\right)\)

\(=2\cdot\left\lbrack16-17\right\rbrack-32+10\)

=2*(-1)-32+10

=-34+10

=-24

c: \(56\cdot53-\left\lbrack57+\left(-75\right)-\left(-9\right)\cdot2\right\rbrack\)

=2968-[57-75+18]

=2968

d: \(16\cdot\left(-45\right)+16\cdot34-\left(-16\right)\cdot\left(-89\right)\)

\(=16\left(-45+34\right)-16\cdot89\)

\(=16\left(-11-89\right)=16\cdot\left(-100\right)=-1600\)

e: \(77\cdot18-\left(-77\right)\cdot60+\left(-77\right)\cdot\left(-22\right)\)

\(=77\cdot18+77\cdot60+77\cdot22\)

\(=77\left(18+60+22\right)=77\cdot100=7700\)

11. How many eggs do you want to buy?

12. How much cheese does your mom want?

13. How many kilos of rice do you want?

14. How many exercises do Minh must finish?

15. Is there any butter in the jar?

16. How many cities and provinces does Viet Nam have?

17. How many pancakes are you making?

18. How many ice-creams does Ha want? 

19. How many eggs do you have in the basket?

20. How many noodles are there in the cupboard?

14. How many exercises does Minh must finish?

15/ How much butter is there in the jar?

còn lại cô có cùng đáp án với em!  ⚡

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