五年级分数递等式

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 0.75×102 100-56.23

0.78+5.436+1 4.07×0.86+9.12.5
36＋59＋41＋54

23×7＋23×3

1462－369－631

60506－19460÷35

23072÷412×65
36÷9×8
4×9-25
28÷7+49
63÷9÷7
42÷6-7
3+12÷4
184×38＋116×38－11300

(79691－46354)÷629

325÷13×(266－250)

74＋100÷5×3

(440－280)×(300－260)