x+1234567890=1234567890-987654321
<=> x + 1234567890 = 246913569
<=> x = 246913569 - 1234567890
<=> x = -987654321
x+1234567890=1234567890-987654321
<=> x + 1234567890 = 246913569
<=> x = 246913569 - 1234567890
<=> x = -987654321
1234567890+1234567890+987654321-1234568907=...... 10 bn dau tien tra loi dung se duoc m tick cho
1234567890\(\times\)987654321 = bao nhiêu
X x 1234567890 = ( 1234567890 x 1000 ) +1234567890
x = ......
nhanh 1 like
1234567890 12234567890 12345678901121222
___________+ _______________ -123456789 + __________________= ...........................................................................
1234567890 987654321 987657076555555555
tính nhẩm
1234567890 x 123456
1234567890 x 3 + 41673679
1234567890 + 123456780 x 2
x + 3245678=1234567890
1234567890+1234567890=?