1.41.2×8.1+11×9.25+537×0.19 2.55555×666667+44445×666666-155555 3.0.4×[11/52÷2 와 3/4×(4.3-1.8)]×26 4.(2×4×8×16×32)×(25×6.25×1.25×0.25) 5.85.42×7903.29-286.5×790.329+79032.9×4.323 6.1.135+2.246+3.346+4.475+5.557+6.768+7.768+8.979+9.979 7.1/18+1/54+1/108+1/270+1/378+1/504+1/648+1/810+1/990 8.(1+1)/2+(2-1)/2²+(3-1)/2³+…+(100-1)/2 의 백 제곱 9.(1-1/2-1/3-…-1/1999)×(1/2+1/3+1/4+…+1/2000)-[(1-1/2-1/3-…-1/2000)(1/2+1/3+…+1/1999)] 10.20-{[(2²+1)/(2²-1)]+[(3²+1)/(3²-1)]+[(4²+1)/(4²-1)]+…+[(20²+1)/(20²-1)]}

1.41.2×8.1+11×9.25+537×0.19 2.55555×666667+44445×666666-155555 3.0.4×[11/52÷2 와 3/4×(4.3-1.8)]×26 4.(2×4×8×16×32)×(25×6.25×1.25×0.25) 5.85.42×7903.29-286.5×790.329+79032.9×4.323 6.1.135+2.246+3.346+4.475+5.557+6.768+7.768+8.979+9.979 7.1/18+1/54+1/108+1/270+1/378+1/504+1/648+1/810+1/990 8.(1+1)/2+(2-1)/2²+(3-1)/2³+…+(100-1)/2 의 백 제곱 9.(1-1/2-1/3-…-1/1999)×(1/2+1/3+1/4+…+1/2000)-[(1-1/2-1/3-…-1/2000)(1/2+1/3+…+1/1999)] 10.20-{[(2²+1)/(2²-1)]+[(3²+1)/(3²-1)]+[(4²+1)/(4²-1)]+…+[(20²+1)/(20²-1)]}

1:원 식=41.2*(10-1.9)+11*9.25+53.7*1.9=412+11*(10-0.75)+12.5*1.9=412+110-1.1*7.5+(20-7.5)*1.9=412+110+20*1.9-(1.1*7.5+1.9*7.5)=412+110+38-3*7.5=560-22.5=537.5 2:5555*666667+44445*6666-1555...