Số lớn bằng trung bình cộng tổng hai số hiệu hai số sẽ là bao nhêu nhi

2 câu trả lời

Đáp án:

Hiệu hai số bằng 0.

Giải thích các bước giải:

Vì số lớn bằng trung bình cộng của tổng hai số nên hai lần số lớn bằng tổng của số lớn với số bé. Hay số lớn bằng số bé.

Vậy hiệu hai số bằng 0.

Đáp án:0

 

Giải thích các bước giải:

 Số lớn=A

   Số bé=B

A=(A+B):2

2A=A+B

2A-A=B

A=B 

vậy A=B nên hiệu bằng 0

Câu hỏi trong lớp Xem thêm

This is John . He’s a teacher. He’s old and a little fat. He has short black hair. He works at the school. He teaches English. Every day he gets up at half past six in the morning. He takes a shower and puts on a shirt and tie. Then he eats breakfast at seven o’clock. At half past seven, he rides his motorcycle to school. Tony starts work at eight o’clock. He cleans the classroom. Then, he talks with his students’ parents. He starts teaching at nine o’clock. At twelve o’clock, he eats lunch. He teaches again in the afternoon. He goes home at half past four. In the evening, he feeds his goldfish and he watches TV. He eats dinner at half past six. Then he corrects students’ homework. At ten o’clock, he goes to bed. 1. What’s his name? …………………………………………………………………….. 2. What does he look like ? …………………………………………………………………….. 3. What time does he get up ? …………………………………………………………………….. 4. What time does he eat breakfast ? …………………………………………………………………….. 5. What time does he go home ? …………………………………………………………………….. 6. What time does he eat dinner? …………………………………………………………………….. 7. What time does he go to bed? …………………………………………………………………….. 8. What does he do in the evening ? ……………………………………………………………………..

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