- 计算:1×2+2×4+3×6+…+1005×2010=______.
- 1×3×24+2×6×48+3×9×721×2×4+2×4×8+3×6×12.
- 写出计算过程并得出结果(1)138×114+23.3×(2-75%)-125%×38+(1+0.25)×28.7(2)1245×334-4411×418247×1123.
- 计算:83279125÷0.3=
- 试求1×2+2×3+3×4+4×5+5×6+…+99×100的结果.
- 423×925×334-245×0.423×125=______.
- 38-[23.5÷223-(6.3-53740)+7.5×0.375]×845=______.
- [1.65÷(14+0.8)-(0.5+13)×2435]÷(34-12)______.
- [1-(112-12+110)×212]÷2511=______.
- [50.8-(20+26)]÷0.9638.4×7.6-3.84×66(20+9.774÷2.4)×0.5-1.427[29.7-(6.2+0.85)×3]÷4427÷2.68×16×26.8÷42.7×1610-10.5...
- 335×2345+5555÷25256+654.3×36.
- 14×(4.85÷518-3.6+6.15×335)+[5.5-1.75×(123+1921)]=______.
- 13×99+135×999+1357×9999=______.
- 7.2×61310+73.8×245=______.
- 1.23452+0.76552+2.469×0.7655=______.