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Mathematics oral calculation in grade two of Xishiban primary school (part two)
58- 10= 4÷2= 3 1+ 6= 9 1+ 8=

5×8= 5×5= 6×2= 9÷9=

4+6 1= 60+ 13= 36+50= 15+ 9=

2×8= 7×3= 9×2= 7×9=

56-20= 32÷4= 4+59= 68-30=

7×5= 7×4= 4×3= 8×8=

80+ 6= 42+40= 60-60= 9 1-80=

2×2= 4×5= 4×6= 3×3=

79-60= 1+25= 55+ 10= 24÷6=

3×2= 9×6= 6×3= 4×4=

9+5 1= 3+30= 12+80= 27÷9=

6×6= 2×5= 8×9= 7×7=

36- 10= 30+7= 8+53= 1+52=

3×8= 4×9= 5×6= 9×3=

36÷4= 45÷9= 2 1÷3= 5+36=

72÷9 28÷4 5×9 42÷7 64-8 30÷6 27÷3 54+6 45÷9 3×7 32÷8 56÷7 56÷8 49÷7 4×8+23 8 1÷9+36 54÷9×8 72÷ 9÷2 20÷4×7 4×6÷8 28÷4×3 72÷8÷3 3×7- 1 3 30÷6+43 63÷7×6 64÷8×7 9×4÷6 8÷4×3 6×8+ 15 7×9- 17 4×9÷6 72÷8× 5 3×8÷3 40÷8×5 2×6÷3 48÷8×5 6×4÷3 8 1÷9×7