= 
= 
= 
=
= 
= 
= 
=
= 
=相关试题
估算下面各题．
4.03×1.98≈ 3.95×0.2≈ 8.1×10.01≈ 16.2÷1.9≈
59.8÷3.1≈ 10.32÷0.21≈ 99.9÷0.5≈ 70.2×3.02≈
口算．
450÷9×5= 3.7÷100= 1﹣0.09= 6+6÷6×0=
4.3×1000= 363+3.66= 35+24﹣12= 9.9﹣（7.9﹣1.8）=
0.35÷10= 0.38+1.2= 26+78÷13= 24×5÷24×5=
直接写出得数．
360÷36= 0.3÷100= 120×6= 3﹣1.4= 480÷60=
336÷12= 6.38+1.25= 0÷123= 125×7×8= 10﹣2.3﹣2.7=
粤公网安备 44130202000953号