1568x126=197568

50

chiil

Đội công nhân 1 ngày làm được số m đường là: 135 : 3 = 135/3 (m)

Đội công nhân 7 ngày làm được số m đường là: 135/3 x 7 = 315 (m)

Đáp số: ..........

56

56 dm

Trả lời

=1 Vì rút gọn

Học tốt !

ko rút gọn :(

lop 3A co so HS la: 

      7 . 4 = 28 (HS)

so HS cua lop 3A khi co them 5 ban nua la:

      28 + 5 = 32 (HS)

             dap so: 32 HS

1: Đáp số :4A=28, 4B=56

Học tốt oke chưa

4A = 28 ,4B = 56

0,648km nha b

                                                                                      bai giai 

                                                             Doi cong nhan da sua duoc so quang duong la :

 864

 *1/4

 = 34

5

6

(m)

                                                                          Ho phai sua so quang duong con lai la :

                                                                                  345

6 

-

   8

64 

=

2592(m)

                                                D/s: 2592 m duong.

Số số hạng của dãy số là:

10-0+1=11(số)

Tổng của dãy số là: \(\left(10+0\right)\times\frac{11}{2}=10\times\frac{11}{2}=5\times11=55\)

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