2.5+2.5÷2
194-64.8÷1.8×0.9 705×6
24÷2.4-2.5×0.8 15-974
÷4.25×9.9 (4121+2389)÷7 ,.
- 671× 36.72 5180 ,.
469×12+1492 405×(3213-3189) 19.4×6.1×2.3
5.67×0.2-0.62 24+0.875
18.1×0.92+3.93 0.043× ,.
0.4×0.7×0.25 0.78+5.436+1 4.07×0.86+9.12
240×78÷(154-115) ÷15
2160÷〔(83-79)×18〕 250)
1437×27+27×563 280+840÷24×5 75-(12+18)〕÷13×(266- 〔 325
85×(95-1440÷24) ×563
81432÷(13×52+78) [(17.7-7.2)÷3]
,.
÷(105+20×2) 1437×27+27 [37.85-(7.85+6.4)] ×30 156× 58870
(947-599)+76×64 ×67
81432÷(13×52+78) ÷0.18
36×(913-276÷23) 947-599)+76×64 ,.
[192-(54+38)]60-(9.5+28.9) (