20000+20000=????????
help me please trust you
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DN
5
CM
29 tháng 3 2018
a) 50000 + 20000 + 10000 = 80000
80000 - (30000 + 20000) = 30000
b) 80000 - 30000 - 20000 = 30000
50000 + (20000 + 10000) = 80000
11 tháng 2 2021
50000+20000+10000=80000
80000-(30000+20000)=30000
80000-30000-20000=30000
50000+(20000+10000)=80000
CM
10 tháng 8 2017
a) 30000 + (20000 + 40000) = 90000
30000 + 20000 + 40000 = 90000
60000 - (30000 + 20000) = 10000
60000 - 30000 - 20000 = 10000
b) 40000 x 2 : 4 = 20000
36000 : 6 x 3 = 18000
20000 x 4 : 8 = 10000
60000 : 3 x 2 = 18000
26 tháng 8 2015
20000-(30000-20000)
=20000-30000+20000
=(20000+20000)-30000
=40000-30000
=10000
KY
18 tháng 12 2021
Old man: Can you please do me a favor? Ba: ...............
A. Yes. Please help me B. Sure. How can I help you?
C. Yes, you can D. No, you can't
Câu 7. The children can look after ............................... for a few days.
A. them B. they C. themself D. themselves
Câu 8. My grandfather used ____________ us to the zoo when he was alive.
A. took B. to take C. taking D. take
Câu 9. Choose the underlined word or phrase in each sentence that needs correcting.
The armchair is in the living-room among the television and the sofa.
A B C D
Câu 10. My hometown is getting more modern and .....................
A. more noisy B. noisier C. noisiest D. more noisier
Câu 11. The water wasn't ____________ in.
A. clear enough for swimming B. enough clear for swimming
C. enough clear to swim D. clear enough to swim
Câu 12. Choose the word that has the underlined part pronounces differently
A. looked B. phoned C. missed D. watched
Câu 13. Don't come in. Pleased wait ____________ for your turn.
A. outside B. inside C. downstairs D. upstairs
Câu 14. We must be there....................7.30 and 10.30.
A. between B. at C. after D. before
Câu 15. His father is very proud ________ him.
A. on B. about C. of D. with
Câu 16. They …………….. in that house for 3 years.
A. have lived B. live C. lived D. are living
Câu 17. Choose the word that has a different stress pattern from the others.
A. plentiful B. generous C. volunteer D. sociable
PT
1
CM
23 tháng 6 2017
30000 + 40000 – 50000 = 20000
(nhẩm : 3 chục + 4 chục – 5 chục = 2 chục nghìn )
80000 – (20000 + 30000 ) = 30000
80000 – 20000 – 30000 = 30000
20 000 + 20 000
= 20 000 x 2
= 40 000
mik nha
20000+20000=40000 k mình nha