9 - 9 - 9 - 9 - 9 - 9 - 9 - 9- 9 + 0 + 7 \(\times\) 9
= 9 - 9 \(\times\) 8 + 7 \(\times\) 9
= 9 \(\times\) ( 1 - 8 + 7)
= 9 \(\times\) 0
= 0
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Các câu hỏi tương tự
9*9*9*9*9*9*0
diền dấu + - * :
9 .. 9 .. 9 .. 9 .. 9 .. 9 ..9 .. 9 ..9
hãy điền dấu để bằng 0
1+1+2+3+4+5+5+6+7+8+9+9+9+7+5+5+6+9+9+9+9
1:9:5:9:4:9:3:9:8:9:6:9:7:9:10:9:1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111:999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...
Đọc tiếp
1:9:5:9:4:9:3:9:8:9:6:9:7:9:10:9:1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111:99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
1+9+2-5+3+9+6-4-6+4-3-1+6-2+8+2+6-7+8-11+7+32-9-1+66-21-0+9+4+6+2+56-9-4+1029=
các bạn gửi câu trả lời cho mình nha ^_^
9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9+9++9+9+9+9+9+9+9+9+9+9+9=?
Tính nhanh:
7/9 x 20/9 - 7/9 x 2/9
9*9*9*9*1*1*1*1*0
Tính bằng cách thuận tiện:
A)2/9+3/9+4/9+5/9+6/9+7/9
B)1/6+4/9+5/6+11/16+5/9+5/16