数学计算题,能简算的简算,
数学计算题,能简算的简算,
1.1+2-3+4+5-6+7+8-9+…+97+98-99
2.200×(1-1/2)×(1-1/3)×(1-1/4)×…×(1-1/100)
3.6.25×8.27×16+3.75×0.827×8
4.28.9×61.3+111×6.15
5.3.1416×25²-3.1416×15²
6.1997×20002000-2000×19971997
7.(0.3(3的循环)×0.1875+1/400)×65
8.(2又1/2003×9又5/8+7又2002/2003×9.625)÷96又1/4
9.2002÷2002又2002/2003+1/2004
10.1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35
1.1+2-3+4+5-6+7+8-9+…+97+98-99
2.200×(1-1/2)×(1-1/3)×(1-1/4)×…×(1-1/100)
3.6.25×8.27×16+3.75×0.827×8
4.28.9×61.3+111×6.15
5.3.1416×25²-3.1416×15²
6.1997×20002000-2000×19971997
7.(0.3(3的循环)×0.1875+1/400)×65
8.(2又1/2003×9又5/8+7又2002/2003×9.625)÷96又1/4
9.2002÷2002又2002/2003+1/2004
10.1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35
数学人气:266 ℃时间:2020-03-09 04:45:59
优质解答
1.1+2-3+4+5-6+7+8-9+…+97+98-99=0+3+6+9+…+96=32(3+96)/2=16(100-1)=15842.200×(1-1/2)×(1-1/3)×(1-1/4)×…×(1-1/100)=200*1/2*2/3*3/4*…*99/100=200*1/100=23.6.25×8.27×16+3.75×0.827×8=(...
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