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☆算术计算1题
〖1/1算式〗
作业:求算式 (0.25-0.01)*0.15^2+(0.12-0.01)*0.3^2-(0.3+0.15-2*0.01)*(0.3*0.15*-1) 的值.
题型:数学计算
解:
(0.25-0.01)*0.15^2+(0.12-0.01)*0.3^2-(0.3+0.15-2*0.01)*(0.3*0.15*-1)
=0.24*0.15^2+(0.12-0.01)*0.3^2-(0.3+0.15-2*0.01)*(0.3*0.15*-1)
=0.24*0.15^2+0.11*0.3^2-(0.3+0.15-2*0.01)*(0.3*0.15*-1)
=0.24*0.15^2+0.11*0.3^2-0.43*(0.3*0.15*-1)
=0.24*0.15^2+0.11*0.3^2-0.43*(-0.045)
=0.24*0.0225+0.11*0.3^2-0.43*(-0.045)
=0.24*0.0225+0.11*0.09-0.43*(-0.045)
=0.0054+0.11*0.09-0.43*(-0.045)
=0.0054+0.0099-0.43*(-0.045)
=0.0054+0.0099-(-0.01935)
=0.0153-(-0.01935)
=0.03465 答案:(0.25-0.01)*0.15^2+(0.12-0.01)*0.3^2-(0.3+0.15-2*0.01)*(0.3*0.15*-1)=0.03465你的问题在这里没有得到解决?请到 热门难题 里面看看吧!