$\frac{1}{2}$ x $\frac{1}{5}$ + $\frac{1}{2}$ x $\frac{9}{5}$
= $\frac{1}{2}$ x ($\frac{1}{5}$ + $\frac{9}{5}$)
= $\frac{1}{2}$ x 2
= 1
Đáp án:
1
Giải thích các bước giải:
1/2*1/5+1/2*9/5
= 1/2 x ( 1/5 + 9/5 )
= 1/2 x 2
Vậy 1/2*1/5+1/2*9/5 = 1
Complete the sentences. Use one of these tones: the present simple, the present progressive, the past simple, or the past progressive 1. What...........(you/do) at 10 o'clock yesterday?.........(you/study) 2. They still.......(live) in the small house they........(buy) 50 years ago 3. Last night while I......(do ) my homework, my brothers......(play) computer games 4. What......(you/do) last night? Well, as soon as I.....(finish) my work. I.......(go) to bed
Cac ban oi giup minh voi minh can gap
@Gaumatyuki. Giúp mik với mấy thánh giỏi toán. a) 8,96:x=2,3+0,5.
Giúp mik bài 34 với nha Mã số 001506
Giúp mình vs tìm GTLN :-3x^2+2x-5 mình cảm ơn ạ😇😇
Lập dàn ý tả một bữa cơn xung họp của gia đình chiều 30 tết Ghi hẳn lời ra cho em ạ ko ghi câu hỏi
tổng của hai số chẵn liên tiếp bằng 380 tìm hai số đó
VIẾT BÀI VĂN TIẾNG ANH NÓI VỀ SỞ THÍCH Ý NHIỀU DỊCH NGHĨA
c/m rằng các bt ko phụ thuộc vào biến x a, 5x^2 - ( 2x+1 ) ( x-2 ) - x ( 3x+3 ) + 7
Complete the sentences. Use one of these tones: the present simple, the present progressive, the past simple, or the past progressive 1. You can turn of the television. I........( not/watch) it 2. When I.......( open ) the car door thus morning, a cat..........( jump ) out 3. Bob...... ...( hurt ) his finger when he........(cook ) his dinner 4. I........(live ) in London for ten years while I......(be) a child 5. Listen! Somebody......(play) the piano. It's Jenny. She.....(play) the piano every evening 6. Louise usually......(phone) me on Fridays, but she.... .( not/phone) yesterday 7. We.....(go) to the cinema last night, but I......(not/enjoy) the film much 8. When we.......(see) Mark, we.....(stop) the car 9. When I last.....(see) Allan, he.......(try) to find a job in London 10. My btother...... (try) to find a job at the moment. It's very difficult 11. This time last year I.........(live) in Brazil. And I.........(meet) my husband while I.....( work) there
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