共30题用时5分钟

480÷80＝

30×60＝

120÷60＝

34×2＝

25×4×6＝

810÷9＝

3×24＝

95÷5＋38=

92÷46＝

312－239=

90－15＝

88×22＋56=

15×6＝

5.43+4.85=

3.08-0.91=

5.28+7.95=

6.56-3.97=

8.91-4.96=

5.81+5.11=

7.99-1.05=

9.55-4.75=

2.44-1.13=

9.66-2.16=

5.71+6.03=

7.39-7.03=

8.10+4.19=

8.56-7.52=

7.82-2.37=

8.38+4.25=

8.14-5.89=