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出这道题的老师极其弱智。
The answer can be any number.
1,2,3,4, 132, 0, 1.3 .....
a-b = (119/245) b;
because b is not fixed, so
a-b can be any number. If b = 245, then a-b = 119
if b = 0, then a - b = 0.
if b = 245*2 = 450; then a -b = 119*2 = 238;
If you want a - b = 1, then you just set b = 245/119.
if you want a - b = 0.1, then just set b = 0.1 * 245 / 119.
Post by tigre123;2254561
孩子的数学题难倒了我,求教
已知:4638x(245xa)=(4638xb)x364
求:a-b=? |
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