255+(352+ 145+48)= (345+377)+(55+23)=
9+(80+ 19 1)= (268+3 14+ 132)+86=
5 190÷ 15= 495+(278+5)+222=
174×36×25= 399- 199=
650÷25= 260×8-8-8×59=
996+500= 6975÷25=
196-95= 328-( 163-72)=
199+(84-99)= 885- 1-20 1-298=
460-35-3-262= (98+59+2)+4 1=
736× 12- 12- 12×335= 1 16+( 1 12+ 184)=
150×258+ 142× 150= 3 1×24×25=
9000÷25= 502-287-54- 159=
307+(92+93)= 80× 125=
102× 15= 32) 30+(63+70)+37=
27+(73+73)+27= 86+(98+ 14+2)=
544-272-28= 36) 18000÷ 150÷4=
103×69= 38) 25×64× 125=
343- 188- 12= 40) 509× 1 1- 1 1- 1 1×8=
79×24×25= ( 145+25)+( 155+275)=
(447+423)+(53+77)= 44) 46+ 15+54=
589- 109-(6+ 185)= 20×25= 48) 89×245+ 155×89=
92+(79+8+2 1)= 60 15-(5 18+699)-2783=
2467×70-70-70×466=
16 16×506+2494× 16 16= 4× 17+4+ 1982×4=
799×660+340×799= 399 1×36×25=
6076-875-(805+3320)= 6056-679-40-428 1=
4 134+(28 19+866)+2 18 1= 5898-(2065- 102)=
3297× 1273+2727×3297= 13 12+( 153+688+ 1847)=
23 15-793- 1 14- 1093= 3940+( 1739- 1940)=
1455+( 1768+ 1545)+ 1232= 975+( 1007+2025)=
24× 195 1+24+48×24= 30425÷25=
1376+( 196 1+624+39)= (686+ 1872+23 14)+ 1 128=
2922+(260-922)= 1 13600÷ 100÷4=
2002×658= 80) 1428+(958+2572)=
200 1×786= 82) 190×760+ 190+3239× 190
2976× 1 145+2855×2976
8 122-(3084- 1878)879+( 1295+2 12 1)
2595× 178- 178- 178×594
13 19× 1339+ 166 1× 13 19
997×885453×8× 125
4928-(87 1+ 1928) 997×9 17
1526+(938-526)803× 12×25
1 14000÷ 12006933×332-332-332×2932
16×25= 100) 25×224× 125
9/22 + 1/ 1 1 ÷ 1/2
5/3 × 1 1/5 + 4/3
45 × 2/3 + 1/3 × 15
7/ 19 + 12/ 19 × 5/6
8/7 × 2 1/ 16 + 1/2
10 1 × 1/5 – 1/5 × 2 1
50+ 160÷40 (58+370)÷(64-45)
120- 144÷ 18+35
347+45×2-4 160÷52
(58+37)÷(64-9×5)
95÷(64-45)
178- 145÷5×6+42 420+580-64×2 1÷28
8 12-700÷(9+3 1× 1 1) ( 136+64)×(65-345÷23)
85+ 14×( 14+208÷26)
(284+ 16)×(5 12-8208÷ 18)
120-36×4÷ 18+35
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
0. 12× 4.8÷0. 12×4.8
(3.2× 1.5+2.5)÷ 1.6 (2)3.2×( 1.5+2.5)÷ 1.6
6- 1.6÷4= 5.38+7.85-5.37=
7.2÷0.8- 1.2×5= 6- 1. 19×3-0.43=
6.5×(4.8- 1.2×4)= 0.68× 1.9+0.32× 1.9
10. 15- 10.75×0.4-5.7
5.8×(3.87-0. 13)+4.2×3.74
32.52-(6+9.728÷3.2)×2.5 (7. 1-5.6)×0.9- 1. 15] ÷2.5
5.4÷[2.6×(3.7-2.9)+0.62]
0.9+0. 1÷0. 1 0.3×0.3×0.3
0.5÷0.5÷0.5 0.8-0.8×0.5
0.8÷0.8×0.5 2.7+2.3÷0.2
5.4÷ 1.8- 1.8 1 1.2- 1.93+0.8
0.38×2.9+0.38 0.5-0.5×0.5
0.8÷0.8×0.5 2.7+2.3÷0.2
5.4÷ 1.8-0.8 1 1.2- 1.93+8.07
1- 1÷4 0.65× 102
9.87-(5.87+2.9)
(0.25+0.45)×0.4
(0.36+ 1.29)÷3 0.008+0.992×2.5×40
4.84+0.3× 15÷0.2+77.5 0. 15×(3.79- 1.9)+ 1. 1 1×0. 15
0.05×[30-( 18.4+27.83÷4.6)] (6.8-6.8×0.55)÷8.5
0. 12× 4.8÷0. 12×4.8 1.6- 1.6÷4
5.38+7.85-5.37 7.2÷0.8- 1.2×5
6- 1. 19×3-0.43 6.5×(4.8- 1.2×4)
0.68× 1.9+0.32× 1.9 10. 15- 10.75×0.4-5.7
5.8×(3.87-0. 13)+4.2×3.74 32.52-(6+9.728÷3.2)×2.5
(7. 1-5.6)×0.9- 1. 15] ÷2.5 5.4÷[2.6×(3.7-2.9)+0.62]
5.47+ 12.8 1+3.53+7. 19 0.83× 12.5×8
2.9× 102 3.8×6.9+3.8×2. 1+3.8
109+(72+9 1)-93×24× 125
There is no process in calculation, but I have made great efforts in this respect, and 300 questions are not enough. Just make do with yourself, don't ask again.