eighty - one

eighty - one : 81

The fourth power of 3 is eighty-one

81 nha bn

k mk nha hic

1) Fill the mussing number. A cube has \(8\) veres

2) Fill the missing number. We're in the \(21\) st century

3) Ther are only two 2-digit numbers that are a multiple of 7 and the sum of thetr two digits is 10. Find the sum of these two 2-digit numbers: 70,119,140,21 \(70\)

4) The fourth power of 3 is \(64\)

5) Twice the square of 3 \(18\)

6) The number of ethnic group in Vietnam? \(54\)

7) The perimeter of 4cm square egde in cm? \(1\)

rảnh hè

Mình cũng đar giải ra như các bạn rồi, chỉ có câu 3) đáp án không phải là 70, mình đã trả lời trên thi toán tiếng Anh rồi. Nhưng dù sao cũng cảm ơn  các bạn nhé. 

chả hiểu gì cả

hai quyền lực thứ tư

có nghĩa là :hai quyền lực thứ tư

Vt lại câu sao cho nghĩa k đổi, sd từ gọi ý & sd 2 -> 5 từ thất cả

1. They will rebuild the power station at the beginning of next year ( rebuilt )

=> the power station ___will be rebuilt__ at the beginning of next year

2.Solar panels will be put in the back yard next Satuday ( put )

=> They ______will put solar panels ________ in the back yard next Satuday

3. I will be with my brother in Son La hydro Power plant at this time next week ( staying )

=> At this time next week ____I will staying with_______ my brother in Son La hydro Power plant

4. Attest on sources of energy will be taken at 10 o'clock on Tuesday ( taking )

=> We ___will be taking ___ on sources of energy at 10 o'clok on Tuesday

5. We shall be using wind power at this time next year

=> Wind power ______will being used ______ at this time next year

1. They will rebuild the power station at the beginning of next year.
The power station……………will be rebuilt…………at the beginning of next year.
2. Solar panels will be put in the back yar next Saturday.
They………………will be put…………………in the back yard next Saturday.
3. I will be with my brother in Son La Hydro Power Plant at this time next week.
At this time next week……………i will be staying with………….my brother in Son La Hydro Power Plant.
4. A test on sources of energy will be taken at 10 o’clock on Tuesday.
We………………will take a test……………..on sources of energy at 10 o’clock on Tuesday.
5. We shall be using wind power at this time next year.
Wind power ………………will be used…………….at this time next year.

Vt lại câu sao cho nghĩa k đổi, sd từ gọi ý & sd 2 -> 5 từ thất cả

1. They will rebuild the power station at the beginning of next year ( rebuilt )

=> the power station ______will be rebuilt________ at the beginning of next year

2.Solar panels will be put in the back yard next Satuday ( put )

=> They ______will put Solar panels________ in the back yard next Satuday

=> At this time next week ______I will be staying with_____ my brother in Son La hydro Power plant

4. Attest on sources of energy will be taken at 10 o'clock on Tuesday ( taking )

=> We ___will be taking Attest___ on sources of energy at 10 o'clok on Tuesday

5. We shall be using wind power at this time next year

=> Wind power ____shall used______ at this time next year

câu 6 : 4 years 

câu 5 : 48%

câu 2 : redundancy ( but where the divisor? ) 

Sorry...I'm not good at English....I only do this exercises....

for me please~!

Câu 1: 3^{4 = 81}

^{Câu 2: Số dư lớn nhất còn lại khi chia cho 9: 8}

^{Câu 5: 42%}

^{Câu 6: 12}

Refer

Two of the most (1) ___ important__________holidays in the United States are Independence DayandThanksgivingDay. The fourth of July marks the American (2) _________ declaration____ of independence from Britain. Most towns, big or small, celebrate the fourth of July with (3) ______ parades___________and fireworks. Families (4)  ____ celebrate______ with

barbecues or picnics. Thanksgiving Day is celebrated in fall, on the fourth Thursday in November. It is a day (5) _____ which________ people give thanks to the harvest. Most families (6) __have__________a large dinner with roast turkey. (7) ______ Both​​​________Independence Day and Thanksgiving Day are national (8) ____ holidays_________.

1. important

2. declaration 

3. parades

4. celebrate

5. Which
6. have

7. Both

8. holidays

1. has celebrated

2. is divided

3. to do

4. was crying

5. bring

Use the words given and other words, complete the second sentence so that it has similar meaning to the first sentence.

1. They will rebuild the power station at the beginning of next year.

REBUILD. The power station...will be rebuilt.. at the beginning of next year

2. Solar panels will be put in the back yard next Saturday.

PUT. They...will be put.. in the back yard next Saturday.

3. I will be with my brother in Son La Hydro Power Plant at this time next week.

STAYING. At this time next week..i will be staying with ...my brother in Son La Hydro Power Plant

4. A test on sources of energy will be taken at 10 o'clock on Tuesday.

TAKING. We...will take a test.on source of energy at 10 o'clock on Tuesday

1. ...will be rebuilt...

2. ...will put in solar panels...

3. ...I will be staying with...

4. ...will be taking a test...