NT
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H
4
6 tháng 11 2019
Bảng nhân 2 :
2 x 1 = 2
2 x 2 = 4
2 x 3 = 6
2 x 4 = 8
2 x 5 = 10
2 x 6 = 12
2 x 7 = 14
2 x 8 = 16
2 x 9 = 18
2 x 10 = 20
Bảng nhân 3:
3 x 1 = 3
3 x 2 = 6
3 x 3 = 9
3 x 4 = 12
3 x 5 =15
3 x 6 =18
3 x 7 = 21
3 x 8 = 24
3 x 9 = 27
3 x 10 = 30
Bảng nhân 4 :
4 x 1 = 4
4 x 2 = 8
4 x 3 =12
4 x 4 = 16
4 x 5 = 20
4 x 6 = 24
4 x 7 = 28
4 x 8 = 32
4 x 9 = 36
4 x 10 = 40
NT
Nguyễn Thị Thương Hoài
Giáo viên
VIP
27 tháng 6 2025
Với đề bài như này thì không thể tính nhanh được, em nhé. Cảm ơn em đã đồng hành cùng Olm. Chúc em học tập hiệu quả và vui vẻ cùng Olm, em nhé.
NQ
30
PT
6
29 tháng 3 2017
vì lớp 3 chưa hok số âm nên
a)x=0,1,2,3
b)x=0.1.2.3.4.5.6
c)x=3.4
LT
4
UM
25 tháng 2 2017
24 x 56 : 2 - 55 + 76 x 25 + 5648 + 589 = 7576 : 2 x 2 + 5 - 4 = 7577.
NN
10
17 tháng 1 2023
Đặt cho số đó là a. Vậy a x 10 = 5 x 4
Vậy nên a x 10 = 20
a = 20 : 10
a = 2
2 \(\times\) 10 = 20
5 \(\times\) 4 = 20
vậy 2 \(\times\) 10 = 5 \(\times\) 4
2 ×× 10 = 20
5 ×× 4 = 20
2 x 10 = 20
5 x 4 = 20
nhé chúc bạn học tốt
2 x 10 = 20
5 x 4 = 20
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:)
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