小学数学五年级上册脱式计算题简便运算练习演示教学.docVIP

小学数学五年级上册脱式计算题简便运算练习演示教学.doc

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能简算的要简算

31.5×4÷(6+3)

=

=

=

30.8÷[14-(9.85+1.07)]

=

=

=

=

[60-(9.5+28.9)]÷0.18

=

=

=

=

0.8×〔15.5-(3.21+5.79)〕

=

=

=

2.881÷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

=

=

=

0.78+5.436+1

=

=

4.07×0.86+9.12.5

=

=

30.8÷[14-(9.85+1.07)]

=

=

=

777×9+111×3

=

=

=

(31.8+3.2×4)÷5

=

=

=

=

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

=

=

=

5180-705×6

=

=

=

24÷2.4-2.5×0.8

=

=

=

(4121+2389)÷7

=

=

671×15-974

=

=

469×12+1492

=

=

405×(3213-3189)

=

=

3.416÷(0.016×35)

=

=

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

=

=

0.043-0.24+0.875

=

=

0.4×0.7×0.25

=

=

0.75×102+100-56.23

[60-(9.5+28.9)]÷0.18

=

=

=

2.881÷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+1111×3

=

=

0.8×〔15.5-(3.21+5.79)〕

=

=

(31.8+3.2×4)÷5

=

=

31.5×4÷(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

=

=

5180-705×6

=

=

24÷2.4-2.5×0.8

=

=

(4121+2389)÷7

=

=

671×15-974

469×12+1492

=

=

405×(3213-3189)

=

=

3.416÷(0.016×35)

=

=

0.8×[(10-6.76)÷1.2]

=

=

=

19.4×6.1×2.35.67×0.2-0.62

=

=

=

18.1×0.92+3.93

=

=

=

0.4×0.7×0.25

=

=

0.78+5.436+14.07×0.86+9.12.5

=

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