660+40=

8x500=

400x9=

300÷50=

240÷6=

2x25=

8.8÷4=

0.3+0.07=

0.43-0.3=

0.65-0.25=

4.5+0.5=

6+3.4=

0.82-0.42=

0.8-0.5=

3.4-3.1=

9.2-6=

0.73-0.23=

2+2.8=

3.6+2.4=

2.5+3.2=

9.8-4.8=

1.7+0.4=

0.25+0.75=

1 x 0.6=

0.4x3=

8x0.9=

2x0.07=

12.4÷4=

400+60=

6x1.5=

3.74x10=

10x0.6=

7.2÷10=

100x0.18=

0.05x1000=

100x2.1=

56.3÷10=

0.03x10=

16.5÷100=

8.4÷100=

0.125×8=

9÷1000=

41÷100=

0.5x5=

1.2÷3=

0.24x3=

4.5-2.5=

20x0.4=

0.36+6=

7.2÷10=

7÷10=

100x0.39=

0.7x7=

35÷100=

1.1x10=

0.2x0.4=

0.24x2=

0.6x5=

2.6+2=

26÷2=

0.49÷7=

0.75+0.25=

0.49÷0.7=

0.4+0.6=

0.24 x 10=

0.24÷10=

40 x 70=

6÷100=

36÷3=

100-58=

0.4x5=

76÷4=

34x2=

4x0.5=

6300÷900=

3500÷7=

0.7x8=

0.25÷0.25=

0.65+0.35=

1.4-0.4=

0.13x4=

10÷2=

0.207x100=

49÷100=

0.3+0.7=

0.1-0.01=

0.2x4=

100x0.6=

3.5÷10=

0.21+3=

4.7+2.3= 4.5×2=

6.5-2.5=

8×0.25=

25×0.4=

6.2-2=

1.4×5=

0.75×100=

2×0.5= 3.6+0.3= 6.3+7= 1.5÷5=

125×8= 1.8÷0.3= 0.6+2=

5.6-2.8= 3-0.4=

14÷0.7= 7.2-3.6=

5.4+0.4=

3.6+6=

8÷0.4=

7.2+12.8= 46.7-6.7=

124÷4= 865×10= 495÷1000= 6.95×1= 0.5-0.4= 9.65÷1= 0.325×100= 2.5÷10= 3.3÷10= 0.25×4= 1.6÷0.8= 0÷1.7=

90-9=

540÷6=

74-24=

160÷8=

8+7.2=

9.6-6= 4.5÷5=

1.5 x 10=

23×100=

320÷100=

5.7﹣0.7=

3.6 x1.3○3.6

2.7÷0.7○2.7

0.8 x1.5○0.8

5.6÷0.7○5.6

2.7 x 0.7○2.7 3.96÷1.1○3.96

2.1÷0.9○2.1

2.6x1.3○2.6 1.4 x0.8○1.4

1.6 x1.3○1.6

0.63 x0.8○0.63

0.85 x1.3○0.85

2.07÷0.9○2.07

2.6 x1.3○2.6

3.96÷1.1○3.96

1.14÷0.95○1.14

一、列豎式計算，帶※的要驗算。(每題5分，共50分)

8 + 3.03= 0.63+1.5= 18-4.5=

8.6-5.74= 1.05×24= 86.24÷28=

※0.19×0.25= 31.7×0.63 (得數(shù)保留一位小數(shù))

※ 9÷0.45= 7.54÷2.8 (得數(shù)保留兩位小數(shù))

二、脫式計算。(每題5分，共10分)

60.9+9.1 ÷(4.2-3.5) 3.8÷(0.7+0.3×4)

三、下面各題，怎么算簡便就怎么算。(每題5分，共40分)

7.4÷ 0.125÷0.8 0.73×0.25×4

7.4×0.8+0.2×7.4 14.6 -(4.6+3.79)

4.8 ×10.1 8.53 + 6-8.53 + 6

0.67×99 + 0.67 6.7 + 1.5×6.7×6