20×e-(1950+550):100=6175
20×e - 2500:100=6175
20×e - 25=6175
20×e =6175+25
20×e=6200
e=6200:20
e=310
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35×f+(800-752:4):2=551
35×f+(800-188):2=551
35×f+612:2=551
35×f+306=551
35×f=551-306
35×f=245
f=245:35
f=7
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g:25+(100-1632:51)×2=286
g:25+(100-32)×2=286
g:25+68×2=286
g:25+136=286
g:25=286-136
g:25=150
g=150×25
g=3.750
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244-h×5+(300-6×16):4=255
244-h×5+(300-96):4=255
244-h×5+204:4=255
244-h×5+51=255
244-h×5=255-51
244-h×5=204
h×5=244-204
h×5=40
h=40:5
h=8