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Qingdao Edition Mathematics Grade Three Volume II
Off-die calculation (simplify if you can)

3.8+4.29+2.7 1+6.2 12.5—0.78—3.22 12.8×99+ 12.8

1.25×3.2×2.5 12.6× 10 1— 12.6 38.5÷2.5÷0.4

6.7× 10. 1 6.5× 10 1 4.85×98

1.2×2.5+0.8×2.5 28× 17.5—28×7.5 4.8× 12.5

6/7+2/ 15+ 1/7+ 13/ 15 19/2 1+5/7-3/ 14 2/3+5/9-2/3+5/9

8/9+( 1/4- 1/9)+3/4 0.58+5/ 13+ 1. 12+8/ 13 1 1-4/ 1 1-7/ 1 1

22+55÷ 1 1-2/8 1/7+33.5+6/7-3.5 7.09-5/ 12+ 12.03-7/ 12

14/ 15-(6/ 15 + 1/3) 13/5-0.8 1 -0. 19 7/8+ 1/8 -5/9 -4/9

5 -(0.5 -3/ 10 ) 7.68 - 7.68×0.5 5.2+4.8×3.5

30.8÷[ 14-(9.85+ 1.07)]

[60-(9.5+28.9)]÷0. 18

2.88 1÷0.43-0.24×3.5

20×[(2.44- 1.8)÷0.4+0. 15]

28-(3.4+ 1.25×2.4)

2.55×7. 1+2.45×7. 1

777×9+ 1 1 1 1×3

0.8×〔 15.5-(3.2 1+5.79)〕

(3 1.8+3.2×4)÷5

3 1.5×4÷(6+3)

0.64×25×7.8+2.2

2÷2.5+2.5÷2

194-64.8÷ 1.8×0.9

36.72÷4.25×9.9

5 180-705×6

24÷2.4-2.5×0.8

(4 12 1+2389)÷7

67 1× 15-974

469× 12+ 1492

405×(32 13-3 189)

3.4 16÷(0.0 16×35)

0.8×[( 10-6.76)÷ 1.2]

19.4×6. 1×2.3 5.67×0.2-0.62

18. 1×0.92+3.93 0.0430.24+0.875

0.4×0.7×0.25 0.75× 102 100-56.23

0.78+5.436+14.07× 0.86+9.12.5 Add comments.

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About Tibet | April 28, 2009 1 1: 57: 24

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30.8÷[ 14-(9.85+ 1.07)]

[60-(9.5+28.9)]÷0. 18

2.88 1÷0.43-0.24×3.5

20×[(2.44- 1.8)÷0.4+0. 15]

28-(3.4+ 1.25×2.4)

2.55×7. 1+2.45×7. 1

777×9+ 1 1 1 1×3

0.8×〔 15.5-(3.2 1+5.79)〕

(3 1.8+3.2×4)÷5

3 1.5×4÷(6+3)

0.64×25×7.8+2.2

2÷2.5+2.5÷2

194-64.8÷ 1.8×0.9

36.72÷4.25×9.9

5 180-705×6

24÷2.4-2.5×0.8

(4 12 1+2389)÷7

67 1× 15-974

469× 12+ 1492

405×(32 13-3 189)

3.4 16÷(0.0 16×35)

0.8×[( 10-6.76)÷ 1.2]

19.4×6. 1×2.3 5.67×0.2-0.62

18. 1×0.92+3.93 0.0430.24+0.875

0.4×0.7×0.25 0.75× 102 100-56.23