五年級(jí)數(shù)學(xué)脫式練習(xí)題一脫式計(jì)算30.8÷[14－(9.85＋1.07)]

[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]

19.4×6.1×2.3

5.67×0.2-0.62

18.1×0.92+3.93

0.0430.24+0.875

0.4×0.7×0.25

0.75×102100-56.23

0.78+5.436+1

4.07×0.86+9.12.5

30.8÷[14－(9.85＋1.07)]

[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]

二脫式計(jì)算〔能簡算要簡算〕題中的斜線是分?jǐn)?shù)線如:(6/7斜線左邊的數(shù)6是分子,右邊的數(shù)7是分母，即7分之6)，做題時(shí)寫成分?jǐn)?shù)的形式。6/7＋2/15＋1/7＋13/1519/21＋5/7－3/142/3＋5/9－2/3＋5/9

8/9+〔1/4－1/9〕+3/40.58+5/13+1.12+8/1311-4/11-7/11

22+55÷11-2/81/7+33.5+6/7-3.57.09-5/12+12.03-7/12

14/15－〔6/15+1/3〕13/5－0.81－0.197/8+1/8－5/9－4/9

5－〔0.5－3/10〕3.8+4.29+2.71+6.212.5—0.78—3.2212.8×99+12.8

1.25×3.2×2.512.6×101—12.638.5÷2.5÷0.4

6.7×10.16.5×1014.85×98

1.2×2.5+0.8×2.528×17.5—28×7.54.8×12.5

7.68-7.68×0.58.1×0.92+3.930.0430.24+0.875

0.4×0.7×0.250.75×102100-56.23

0.78+5.436+14.07×0.86+9.12.5

30.8÷[14－(9.85＋1.07)]

[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