5/6-2/15+13/28-9/20=?

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/18 21:54:33
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5/6-2/15+13/28-9/20=? 1+2+3-4+5+6-7-8+9+10-11-12+13+14-15-16+17+18-19-20+21+22-23-24+25+26-27-28=?1+2+3-4+5+6-7-8+9+10-11-12+13+14-15-16+17+18-19-20+21+22-23-24+25+26-27-28=?列式是怎么的? 1/2-5/6+7/12-9/20+11/30-13/42+15/56= 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+24+26+27+28+29+30+31=32+33+34+35=? 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29=? 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36= 1+2+3-4+5+6-7-8+9+10-11-12+13+14-15-16+17+18-19-20+21+22-23-24+25+26-27-28=?初一解答.谢谢! 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34=（?） 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35=? 1+2+3-4+5+6-7-8+9+10-11-12+13+14-15-16+17+18-19-20+21+22-23-24+25+26-27-28=? 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+.+100=? 1+1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35=? 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+117+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36=几 1+2+3+4+5+6+7+8+9+10+11+121+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+= A：3,5,8,19,20,27.B：3,6,11,17,21,31. C:5,7,12,16,28,32.D：22,23,26,27,28,33.E：2,9,15,22,26,32.F：5,6,13,19,22,28.G:2,5,6,12,14,28.H=? 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37039+40= 13 1/5×5/6+28 2/7×7/9 1+1/2-5/6+7/12-9/20+11/30-13/42+15/56=怎样简便计算