题目内容
7.6×4= 1.08×9= 1.42×3= 0.25×7×2= 3.6×(1.8+1.2)=
答案:30.4;9.72;4.26;3.5;10.8
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解方程.
0.72×3-7x=1.6
x=
[ ]
|
A.0.08 |
B.8.5 |
|
C.3.4 |
D.12 |
解方程
.1.2x÷0.6=24
x=
[
]|
A .0.08 |
B .8.5 |
|
C .3.4 |
D .12 |
解方程
.0.72×3-7x=1.6
x=
[
]|
A .0.08 |
B .8.5 |
|
C .3.4 |
D .12 |
口算.
|
(1)0.74 -0.4= |
(2)5 -0.6= |
|
(3)3.75 +6.25= |
(4)63 -3.6= |
|
(5)608 -6.08= |