简算:15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
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简算:15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
简算:15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
简算:15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
=(15.37-9.37)*7.98+(15.37-1.937)*2.11
=6*7.98+13.433*2.11
=47.88+28.34363
=76.22363
=(15.37-9.37)*7.98+(15.37-19.37)*2.11
=47.88+-4*2.11
=47.88-8.44
=39.44
15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
=(15.37-9.37)*7.98+1.537*21.1-1.937*21.1
=6*7.98+(1.537-1.937)*21.1
=6*7.98-0.4*21.1
=6*(8-0.02)-8.44
=48-0.12-8.44
=48-8.56
=39.44
简算:15.37*7.98-9.37*7.98+15.37*2.11-0.937*21.1
简算:15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
15.37*7.88-9.37*7.88+15.37*2.12-9.37*2.12简算
37*7.88-9.37*7.88+15.37*2.12-9.37*2.12 简便方法
15.37×7.88-9.37×7.88+15.37×2.12-9.37×2.12的简便计算
15.37*7.88-9.37*7.88-15.37*2.12+9.37*2.12= *=乘号要简便计算快
15.37*7.88-9.37*7.88-15.37*2.12+9.37*2.12的答案.要正确
15.37*7.89-9.37*7.89+15.37*2.11-9.37*2.11怎样简算?
15.37x7.88-9.37x7.88+15.37x2.12-9.37x2.12=
15.37x7.88-9.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12最简解题法
15.37×7.8-9.37×7.8+15.84×2.2-9.84×2.2简便算
简便计算:15.37x7.88-9.37x7.88-15.37x2.12+9.37x2.12急急急!明天就要交了!
15.37*7.88-9..37*7.88+15.37*2.12-9.37*2.12简便计算
15.37*7.88-9..37*7.88+15.37*2.12-9.37*2.12简便计算
15.37*7.89-9.37*7.89+2.11-9.37*2.11 这题怎么用简便方法做
9.37+9.37+9.37+9.37*2.5(简算)8.9*34+8.9*53+8.
15.37×7.88-9.37×7.38+1.537×21.2-93.7×0.262是简便计算
15.37X7.88-9.37X7.38+1.537X21.2-93.7X0.262