đổi 5:45 h = 5.75 h

Xe máy khởi hành từ A lúc 5 giờ 45 phút và đến B lúc 7 giờ. Vậy thời gian di chuyển là:

7−5.75=1,25 giờ

Với vận tốc 40 km/h, quãng đường AB sẽ là:

40x1.25=50 km

Đáp số 50km

haaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

17 ❗

bảng cửu chương có hết

2 x 2 + 3 x 2 + 4 x 2

= 2 x ( 2 + 3 + 4 )

= 2 x 9

= 18

2 x 2 x 2 x 2 x 2

=4 x 4 x 2

=16 x 2

=32

1 toán lớp 1 á

A)           Nước lã mà vã nên hồ                                                                                                                                                                            Tay không mà nổi cơ đồ mới ngoan                                                                                                                                                                 B)  Ý nghĩa: Ca ngợi những người từ đôi bàn tay đã làm nên 1 sự ngiệp đáng kính trọng

tượng có 2 câu

1đ

2s

3s

saiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii hết

13