题目内容
15.9
-(5.9+6)=[
]|
A .4 |
B .13.7 |
|
C .0.44 |
D .26 |
答案:A
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先观察,再计算.
|
(1)5 ×3+5= |
5 ×4= |
|
(2)7 ×3+3= |
8 ×3= |
|
(3)4 ×6+6= |
5 ×6= |
|
(4)2 ×5-2= |
2 ×4= |
|
(5)9 ×4+9= |
( )×( )= |
|
(6)7 ×5-7= |
( )×( )= |
|
(7)3 ×7+3= |
( )×( )= |
|
(8)6 ×1+6= |
( )×( )= |
15.9-(5.9+6)=
[ ]
|
A.4 |
B.13.7 |
|
C.0.44 |
D.26 |
直接写出得数.
|
(1)10.1 +1.01= |
(2)8.5 -0.99= |
|
(3)3.2 +4.9+6.8= |
(4)2.9 +13.21+7.1+0.79= |