999.3-998.2+997.3-996.2+.+3.3-2.2+1.3-0.2
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999.3-998.2+997.3-996.2+.+3.3-2.2+1.3-0.2999.3-998.2+997.3-996.2+.+3.3-2.2+1.3-0.2999.3-998.2+997.3-
999.3-998.2+997.3-996.2+.+3.3-2.2+1.3-0.2
999.3-998.2+997.3-996.2+.+3.3-2.2+1.3-0.2
999.3-998.2+997.3-996.2+.+3.3-2.2+1.3-0.2
=1000-0.7-1000+1.8+1000-2.7-1000+3.8+3.3-2.2+1.3-0.2
=1.8+3.8+3.3+1.3-0.7-2.7-2.2-0.2
=10.2-5.8=4.4
= 1.1x500
= 550
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999.3-998.2+997.3-996.2+...+3.3-2.2+1.3-0.2
简算999.3-998.2+997.3-996.2+...3.3-2.2+1.3-0.2
999.3-998.2+997.3-996.2+.+3.3-2.2+1.3-0.2
999.3-998.2+997.3-996.2+.+3.3-2.2+1.3-0.2,等于多少?
999.3-998.2+997.3-996.2+...3.3-2.2+1.3-0.2
999.3-998.2+997.3-996.2+...3.3-2.2+1.3-0.2
999.3-998.2+997.3-996.2+…+3.2-2.2+1.3-0.2简算,速求
999.3—998.2+997.3—996.2+………+3.3—2.2+1.3—0.2
计算题3道急,用简便方法算1.1又1/2+2又1/6+3又1/12+…+10又1/1102.999.3-998.2+997.3-996.2+…+3.3-2.2+1.3-0.23.1/2+1/3+2/3+1/4+2/4+3/4+…1/101+2/101+…+100/101
9.3/4+99.3/4+999.3
巧算 99×99+99×99
99*99-99巧算
99+99+99=
99*99+99+99*99简便运算
99*99*99+99*99简便算法
99+99+99+99+99+99+99+99+99+99等于多少
99＋99×99+99×99×99简便运算
99*99%+99% 简便算法