题目内容
给下列算式选择正确答案.
[
]
(1)51-8 |
(2)70-2 |
(3)61-9 |
|||
(4)63+5 |
(5)90-20 |
||||
A .43 |
B .52 |
C .68 |
D .70 |
答案:A;C;B;C;D
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给下列算式选择正确答案.
[
]
(1)62 -10 |
(2)37 +6 |
(3)48 +4 |
|||
(4)63 +7 |
(5)75 -5 |
(6)51 -8 |
|||
(7)70 -2 |
(8)61 -9 |
(9)63 +5 |
|||
(10)90 -20 |
|||||
A .43 |
B .52 |
C .68 |
D .70 |
给下列算式选择正确答案.
[
]
(1)51-8 |
(2)70-2 |
(3)61-9 |
|||
(4)63+5 |
(5)90-20 |
||||
A .43 |
B .52 |
C .68 |
D .70 |
给下列算式选择正确答案.
[
]
(1)62 -10 |
(2)37 +6 |
(3)48 +4 |
|||
(4)63 +7 |
(5)75 -5 |
(6)51 -8 |
|||
(7)70 -2 |
(8)61 -9 |
(9)63 +5 |
|||
(10)90 -20 |
|||||
A .43 |
B .52 |
C .68 |
D .70 |