1 . 直接写出得数。
3万×8万=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8549d767087d50334f178aed90a9671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d7e016b5037dd9e721b34d1cfab404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e84a4485ee90ea0c519348d08fe8a214.png)
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2 . 在括号填上“>”“<”或“=”。
2.8×0.91( ) 2.8 7.81÷1.1( ) 7.81
256×1( ) 256÷0.01 1÷3( ) 0.3
2.8×0.91
256×1
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3 . 直接写得数。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a845b30b0e12975f7079f50832471aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4598a7941485f1999be93eeaaefa676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/688e2c8213d37aab2830eed2c800ba8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c86c1852d00ef4cdfd321c2a0a3540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9070a754b7fc089d60137abe1d1158ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621efc6a755a16af946f8f42ac8a6026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a845b30b0e12975f7079f50832471aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42811143b341df19fc81a98fcd08eae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4a668f5036481e916697bbee69c6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae24ff49153b50445e498fbd78da66b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d2b3ee0e6f2b9dcda7b3610694efd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4598a7941485f1999be93eeaaefa676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04598b4dd08b5c98f6257e8a273e75ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c1875eb1d7363e92361e3aed8f3c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5f3cf155a6af47685e98615bb36b28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522b85643439b251be946be795f33609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6356cd46fa9691a484cf2a0257e014e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a58411a1123d62c8035b0d3754be5a.png)
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4 . 解方程。
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25eabcd0dcd304348804cc35aa9cd4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c115d30391ceaf54de8f04b6e868109.png)
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5 . 脱式计算。(能简算的要简算)
+
+
+
-(
+
)
+
-0.6
+
+
+
9-
-
53.25-3.25×4
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a954eb4370c2aa523f327bf1e6a5e2f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6503ca085e3ca5f2ba723b0dd66e210b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/775cd51325821decdceb4f742b7b4e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee3c61d2298e75fc4f1643f8ebc2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be3212a0536b9cf44a8ed465174bded6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbd2f684eeab2ea1a1c7b281299d684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee3c61d2298e75fc4f1643f8ebc2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d7abf02717d6e59d8a64a65a87c412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8930e9a26a52a6b09740c1dddbd40e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2008b78a906cf5ecdfd68432fa9ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5a1a2ee471c67aa5264c0991d05421.png)
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6 . 若一个正方体的棱长扩大到原来的2倍,则下面说法正确的是( )。
A.表面积扩大到原来的2倍 | B.棱长总和扩大到原来的2倍 |
C.体积扩大到原来的2倍 | D.体积扩大到原来的6倍 |
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7 . 直接写出得数。
0.32=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ec3e07eaf11e8d51f50430a341fc09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c21225ca5933082876ffc584e1971dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af11ab6eb9e099e322180e4b6d6894e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751470df2c73135ed83f488671a2eb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfb06b16853bc15f01e5b155221c7bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83599f64e298b9cfb7e9353f5766176a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94fae006dce48a5a35f773a58bab52f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8354030102a3a8390ebd26ddeff5bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5490ea3b61711528331de919f8308a.png)
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8 . 计算下面各题,能简算的要简算。
6.5×17.3-17.3×5.5 75+0.25×2 32×12.5×2.5
6.5×17.3-17.3×5.5 75+0.25×2 32×12.5×2.5
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9 . 直接写出得数。
0.7×100= 12.5×0.8= 0.25×4= 9.8÷0.01= 3.4+13=
0.36÷0.12= 350÷50= 10-9.12= 0.23= 2×0.1÷2×0.1=
0.7×100= 12.5×0.8= 0.25×4= 9.8÷0.01= 3.4+13=
0.36÷0.12= 350÷50= 10-9.12= 0.23= 2×0.1÷2×0.1=
您最近一年使用:0次
10 . 直接写得数。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5a65a5afac5667fc12f7943b6b512f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9dc3cc2d2f3f520d90290b3a4c64fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f77f52dbac7e41cc55b3d6f01c51c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1afbf35a2710d0e717e7ebed11697da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0780931e11c2f498f2e34a98a9af2850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5a65a5afac5667fc12f7943b6b512f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd7f1531601d73c8b2a723643eca3511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bf515dc7c9d0920dfe745bc3c2dfc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f953dad668e6a5e484cd211e3878e2a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313e5561fe46bdd895db06f8e3a551c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b9fc1184314ae3826bd2aa571e3f44.png)
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