a) Tính nhẩm:18 : 936 : 99 : 945 : 927 : 990 : 954 : 981 : 963 : 9b) Tính:9dm:990kg:963l...
Đọc tiếp
a) Tính nhẩm:
18 : 9 36 : 9 9 : 9 | 45 : 9 27 : 9 90 : 9 | 54 : 9 81 : 9 63 : 9 |
b) Tính:
9dm:9
90kg:9
63l :9
K
Khách
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NT
1
Những câu hỏi liên quan
CM
12 tháng 8 2018
Số lớn nhất trong các số 459 495; 459 549; 549 954 và 549 945 là 549 954.
Chọn C.
10 tháng 1 2021
844855klhdgcoib lgcgkjkhtzkgzfdgolpycockityxoiyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc;l,bfxhklxylhkcfcckhdpoixtgjoii5uerkjjjjjjjjjjeoiwpkjlr4tjhhhhfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
2 tháng 6 2017
a) số số hạng dãy đó là :
( 105 - 5 ) : 5 + 1 = 21 ( số )
tổng dãy đó là :
( 105 + 5 ) . 21 : 2 = 1155
b) số số hạng dãy đó là :
( 999 - 9 ) : 9 + 1 = 111 ( số )
tổng dãy số là :
( 999 + 9 ) . 111 : 2 = 55944
Đáp số : ...
2 tháng 6 2017
a) Số số hạng của dãy trên là :
(105 - 5) : 5 + 1 = 21 (số)
TỔng của dãy số trên là :
(105 + 5) x 21 : 2 = 115
Đáp số ; 115
b) Tương tự nhưng cách nhau 9 đơn vị nha bạn
HQ
Hà Quang Minh
Giáo viên
29 tháng 11 2023
a)
4 × 5 = 20 20 : 4 = 5 20 : 5 = 4 | 4 × 6 = 24 24 : 4 = 6 24 : 6 = 4 | 4 × 9 = 46 36 : 4 = 9 36 : 9 = 4 |
b)
12 kg : 4 = 3 kg
28 mm : 4 = 7 mm
40 l : 4 = 10 l
NT
1
HQ
Hà Quang Minh
Giáo viên
29 tháng 11 2023
2 × 6 = 12 6 × 2 = 12 12 : 2 = 6 12 : 6 = 2 | 7 × 4 = 28 4 × 7 = 28 28 : 7 = 4 28 : 4 = 7 | 9 × 3 = 27 3 × 9 = 27 27 : 9 = 3 27 : 3 = 9 | 8 × 5 = 40 5 × 8 = 40 40 : 8 = 5 40 : 5 = 8 |
CM
8 tháng 10 2017
a) 66 - 60 = 6 98 - 90 = 8 72 - 70 = 2
78 - 50 = 28 59 - 30 = 29 43 - 20 = 23
b) 58 - 4 = 54 67 - 7 = 60 99 - 1 = 98
58 - 8 = 50 67 - 5 = 62 99 - 9 = 90
1 tháng 3 2023
a) 66 - 60 = 6 98 - 90 = 8 72 - 70 = 2
78 - 50 = 28 59 - 30 = 29 43 - 20 = 23
b) 58 - 4 = 54 67 - 7 = 60 99 - 1 = 98
58 - 8 = 50 67 - 5 = 62 99 - 9 = 90
PT
1
CM
16 tháng 12 2019
18 : 9 = 2
27 : 9 = 3
36 : 9 = 4
45 : 9 = 5
18 : 2 = 9
27 : 3 = 9
36 : 4 = 9
45 : 5 = 9
a)
18 : 9 = 2
36 : 9 = 4
9 : 9 = 1
45 : 9 = 5
27 : 9 = 3
90 : 9 = 10
54 : 9 = 6
81 : 9 = 9
63 : 9 = 7
b)
9 dm : 9 = 1 dm
90 kg : 9 = 10 kg
63 l : 9 = 7 l