1-0. 01 10-2.75 4.2-1.09 3.6-2 8.3-3 查看更多

 

题目列表(包括答案和解析)

脱式计算。
(1)8000-2520÷24×72 (2)3.64×[1÷(-2.09)]
(3)1÷ (4)15.4×(16.65-1.32÷13.2%)
(5) (6)[3-(1+0.75)÷)]×
(7)168.1÷(4.3×2-0.4) (8)(10-1÷25)÷99.6÷0.01

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口算我最棒.
5×0.9=
4.5
4.5
   
0.76+0.54=
1.3
1.3
  
0.07÷2=
0.035
0.035
   
7-0.62=
6.38
6.38
20×0.5=
10
10
    
0.5×100=
50
50
     
10.8+5.2=
16
16
    
1.05×5=
5.25
5.25
0.75×3=
2.25
2.25
     
3×1.6=
4.8
4.8
       
1.8×50=
90
90
      
0.1-0.01═
0.09
0.09

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口算.

(1)10.75=

(2)2.3×5=

(3)0.570.43=

(4)0.25×4=

(5)1.360.24=

(6)2.01×4=

(7)2.820.8=

(8)7.66=

(9)1.25×0.8=

(10)0.4×0.25=

(11)1.24×100=

(12)0.09×0.6=

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口算.

(1)10.75=

(2)2.3×5=

(3)0.570.43=

(4)0.25×4=

(5)1.360.24=

(6)2.01×4=

(7)2.820.8=

(8)7.66=

(9)1.25×0.8=

(10)0.4×0.25=

(11)1.24×100=

(12)0.09×0.6=

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脱式计算,能简算的用简算.
5.5×17.3+6.7×5.5                 
1.5×105                      9.07-22.78÷3.4
3.8+4.29+2.1+4.2               2.65×1.7+1.35×1.7                23.4÷7.8-2.1
0.75×18÷0.15              2.5×3.2×1.25                    0.26×2.5+0.74×2.5+2.5
18.09-7.5×(0.14+1.06) 9÷[(38.02+1.98)×0.5            26×20.2-8.4-1.8
90-78.09+4.23         32.34÷2.l×0.45              15.32-1.8×5-3.46
(9-2.78)×15÷3.11         (1.36+4.85)÷(0.15×6) 3.6÷〔(1.3+0.6)×5〕
0.01+1.01×99              89.3×43+38×89.3+893×1.9          10.01×101-10.01
38×7.3+27×3.8                   32×1.25×0.25              38.75-(24.5+8.75)

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