题目内容
口算: 26.26÷26= |
4.57+6.43= | 7.9×11-7.9= | 3.14×32= | ||||||||||
3+
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0.1×30%= | 2÷1%-2= |
| ||||||||||
1.8×4×0.5= | 1.5-1.5×0.3= | 5.7+4.3= | 1-25%= | ||||||||||
18×
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3.6÷12= | 18÷
| ||||||||||
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1-0.6= | ||||||||||
0.92-0.2= | 0.52+0.4= | 0.72÷0.9= | 0÷0.24= | ||||||||||
3.3÷0.1= | 1÷0.25= | 0.6×5= | 0.2×0.4= | ||||||||||
0.25×36= |
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4÷
| ||||||||||
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10÷
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3.5+47= | ||||||||||
0.4×12×25= | 10×
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260-48-52= | 3.6÷12= | ||||||||||
18÷
|
5.7+4.3= | 0.25×36= |
| ||||||||||
0.4×12×25= |
分析:(1)(2)(3)(4)(6)(9)(10)(11)(15)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(36)(37)(40)(42)(43)(45)依据小数四则运算计算方法解答,
剩余的按照分数四则运算计算方法解答.
剩余的按照分数四则运算计算方法解答.
解答:
故答案依次为:1.01,11,79,28.26,1.5,0.03,198,2,3.6,1.05,10,0.75,4,
,0.3,81,
,0.125,0.3,0.4,0.72,0.92,0.8,0,33,4,3,0.08,9,1.125,9,7,0.75,
,25,50.5,120,4,160,0.3,81,10,9,0.125,120.
解:26.26÷26=1.01; | 4.57+6.43=11; | 7.9×11-7.9=79; | 3.14×32=28.26; | ||||||||||||
3+
|
0.1×30%=0.03; | 2÷1%-2=198; |
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1.8×4×0.5=3.6; | 1.5-1.5×0.3=1.05; | 5.7+4.3=10; | 1-25%=0.75; | ||||||||||||
18×
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3.6÷12=0.3; | 18÷
| ||||||||||||
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1-0.6=0.4; | ||||||||||||
0.92-0.2=0.72; | 0.52+0.4=0.92; | 0.72÷0.9=0.8; | 0÷0.24=0; | ||||||||||||
3.3÷0.1=33; | 1÷0.25=4; | 0.6×5=3; | 0.2×0.4=0.08; | ||||||||||||
0.25×36=9; |
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4÷
| ||||||||||||
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10÷
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3.5+47=50.5; | ||||||||||||
0.4×12×25=120; | 10×
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260-48-52=160; | 3.6÷12=0.3; | ||||||||||||
18÷
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5.7+4.3=10; | 0.25×36=9; |
| ||||||||||||
0.4×12×25=120. |
2 |
3 |
1 |
24 |
2 |
3 |
点评:本题主要考查学生运用四则运算计算方法解决问题的能力.
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