Các câu hỏi tương tự
123-54+5=
5+5+5+5+5+5+5+5+5+5+5+5+5+5+54+5+5+5+5+5=
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1+1+1+2+22+3+3+34+3+4+54+2+1+4+4+5+7+5+4+4+5+2+7+3+6+5+9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...
Đọc tiếp
1+1+1+2+22+3+3+34+3+4+54+2+1+4+4+5+7+5+4+4+5+2+7+3+6+5+99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999=?
Điền dấu , , vào chố chấm:
28 … 31
84 … 90
54 … 50 + 5
65 … 64
72 … 72
25 … 20 + 5
23 … 32
48 … 39
86 … 80 + 7
Đọc tiếp
Điền dấu >, <, = vào chố chấm:
| 28 … 31 | 84 … 90 | 54 … 50 + 5 |
| 65 … 64 | 72 … 72 | 25 … 20 + 5 |
| 23 … 32 | 48 … 39 | 86 … 80 + 7 |
Điền dấu <; >; = thích hợp vào chỗ chấm:
a) 32 + 7...40 b) 32 + 14......14 + 32
45 + 4....54 + 5 69 - 9......96 - 6
55 - 5... 40 + 5 57 - 1.......57 + 1
Điền dấu >; <, = vào chỗ chấm:
| 45 + 3 … 50 | 54 – 2 … 54 + 2 |
| 45 + 30 … 35 + 40 | 54 – 20 … 52 – 40 |
| 45 + 34 … 34 + 45 | 54 – 24 … 45 – 24 |
đề bài
6+s=5+g=6+y=3+o=???????????????????????????????
54+(4-6)=2+e=??????????????????????????????????????
Trong các mệnh đề sau, mệnh đều nào đúng?
A. Mọi hình hộp có mặt cầu ngoại tiếp.
B. Mọi hình hộp đứng có mặt cầu ngoại tiếp.
C. Mọi hình hộp có mặt bên vuông góc với đáy đều có mặt cầu ngoại tiếp.
D. Mọi hình hộp chữ nhật đều có mặt cầu ngoại tiếp.