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估算.3.92÷5.17.16÷0.830.125÷2.9845.02÷0.8922.49÷0.384.9÷3.80.538÷0.5742÷5.8.

题目详情
估算.
3.92÷5.1    
7.16÷0.8    30.125÷2.98    45.02÷0.892
2.49÷0.38    4.9÷3.8    0.538÷0.57     42÷5.8.
估算.
3.92÷5.1    
7.16÷0.8    30.125÷2.98    45.02÷0.892
2.49÷0.38    4.9÷3.8    0.538÷0.57     42÷5.8.
估算.
3.92÷5.1    
7.16÷0.8    30.125÷2.98    45.02÷0.892
2.49÷0.38    4.9÷3.8    0.538÷0.57     42÷5.8.
估算.
3.92÷5.1    7.16÷0.8    30.125÷2.98    45.02÷0.8922.49÷0.38    4.9÷3.8    0.538÷0.57     42÷5.8.估算.
3.92÷5.1    7.16÷0.8    30.125÷2.98    45.02÷0.892估算.
3.92÷5.1    
7.16÷0.8    30.125÷2.98    45.02÷0.8922.49÷0.38    4.9÷3.8    0.538÷0.57     42÷5.8.2.49÷0.38    4.9÷3.8    0.538÷0.57     42÷5.8.
▼优质解答
答案和解析
3.92÷5.1≈4÷5=0.87.16÷0.8≈7÷1=7         30.125÷2.98≈30÷3=10            45.02÷0.892≈45÷1=452.49÷0.38≈2.5÷0.5=54.9÷3.8≈5÷4=1.250.538÷0.57≈1÷1=142÷5.8≈42÷6=7...