题目内容
102×98与( )相等.
| A.(100+2)×98 | B.100+2×98 | C.100×98+2 |
102×98,
=(100+2)×98,
=100×98+2×98,
=9800+196,
=9996.
故选:A.
=(100+2)×98,
=100×98+2×98,
=9800+196,
=9996.
故选:A.
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2
g盐放入100g水中,盐与盐水的比是[
]|
A .2︰98 |
B .2︰100 |
|
C .2︰102 |
D .100︰102 |