233×3÷×3 1.25÷×0.8 102×7.3÷5.1 883
17+
19.68-(2.68+2.97) 41.06-19.72-20.28
7-3+ 8+2- 11+7+3
700÷14÷5 18.6÷2.5÷0.4 1.96÷0.5÷4
2538384759592325353743575-7 1-- 25×7×4 1779139
6.8-1.36-0.64 21.9+(15.7+18.1) (2.5×73)×0.4
2.6+7.7+7.4+3.3 9×(7000÷63) 5.6×1.25
11.1÷0.25 0.2×1.8×0.5×10 457÷25÷4
2000÷1.25 (8700+870+87)÷87 5.3×4.9+5×5.3
1125-997 278+498 16÷2.5 125×32
(1.25+7)×8 1.3+4.25+3.7+3 1874-324-476
17.15-(3.5-2.85) 4.2÷1.2÷5 3.4×99+3.4
4.8×1.01 7.5×99 4.3-2.45+5.7-4.55
95.6×18+0.4×18 9.56×180-95.6×8
(1.6+1.6+1.6+1.6)×25 9.18÷1.7-0.28×1.5
15÷0.75+15÷0.25 1.5×[(3.2+4.06)÷6.05]
9.37+16.2+0.9×0.7 (10-3.78)÷3(得数保留两位小数)
12.8×8-20.1÷3 3.4+5.6÷7×4 9.8-1.72-3.28
4.5×1.8+1.8×5.5 (3.2-1.5)×(0.8+2) 0.77÷35
13.6-(7.8+3.6) 7.3×102 39.36-(7.2×1.3+9.8)
7.4+
937367371523++9.55 ×+×+× +(-)÷
6205298291229966587931671115××× 0.86-+9.14- 15.8-+- 73110407718518
1111141111++++++ ×+3.2 ×-1÷4 261220304256544 [1-(
137451+)]÷ (-)×4- 5.07-(3.07-1.8)
44820936
573318 (+)×24 4.75×4.75+4+4×4.25 ×39× 68441321
9.56+4.875-
311715?3+1.44 ÷6-× 13??????
8464?46?483713128?5?71??×[-(-)] [1-(+)]× ??????? 94164843915?6?93??
578-298 (
3.64÷4+4.36×25%
117
5.7×2.8+5.7×6.2+5.7 ( + )×24×7 85-84 ÷7
688
819÷23+× 3.6-2.8+7.4-7.2 172317111+-)×4×9 2.5×(1.9+1.9+1.9+1.9) 9126
33317111+×15÷ 18×(+6×) (+)×24× 420529689
[15×(50﹪+
1595379124)]÷ ÷(-)× ÷[×(+)]3814642420255