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☆算术计算1题
〖1/1算式〗
作业:求算式 0.1*(0.066-0.06995)^2+0.2*(0.0675-0.06995)^2+0.4*(0.07-0.06995)^2+0.2*(0.072-0.06995)^2+0.1*(0.0745-0.06995)^2 的值.
题型:数学计算
解:
0.1*(0.066-0.06995)^2+0.2*(0.0675-0.06995)^2+0.4*(0.07-0.06995)^2+0.2*(0.072-0.06995)^2+0.1*(0.0745-0.06995)^2
=0.1*(-0.00395)^2+0.2*(0.0675-0.06995)^2+0.4*(0.07-0.06995)^2+0.2*(0.072-0.06995)^2+0.1*(0.0745-0.06995)^2
=0.1*(-0.00395)^2+0.2*(-0.00245)^2+0.4*(0.07-0.06995)^2+0.2*(0.072-0.06995)^2+0.1*(0.0745-0.06995)^2
=0.1*(-0.00395)^2+0.2*(-0.00245)^2+0.4*0.00005^2+0.2*(0.072-0.06995)^2+0.1*(0.0745-0.06995)^2
=0.1*(-0.00395)^2+0.2*(-0.00245)^2+0.4*0.00005^2+0.2*0.00205^2+0.1*(0.0745-0.06995)^2
=0.1*(-0.00395)^2+0.2*(-0.00245)^2+0.4*0.00005^2+0.2*0.00205^2+0.1*0.00455^2
=0.1*0.0000156025+0.2*(-0.00245)^2+0.4*0.00005^2+0.2*0.00205^2+0.1*0.00455^2
=0.1*0.0000156025+0.2*0.0000060025+0.4*0.00005^2+0.2*0.00205^2+0.1*0.00455^2
=0.1*0.0000156025+0.2*0.0000060025+0.4*0.0000000025+0.2*0.00205^2+0.1*0.00455^2
=0.1*0.0000156025+0.2*0.0000060025+0.4*0.0000000025+0.2*0.0000042025+0.1*0.00455^2
=0.1*0.0000156025+0.2*0.0000060025+0.4*0.0000000025+0.2*0.0000042025+0.1*0.0000207025
=0.000002+0.2*0.0000060025+0.4*0.0000000025+0.2*0.0000042025+0.1*0.0000207025
=0.000002+0.000001+0.4*0.0000000025+0.2*0.0000042025+0.1*0.0000207025
=0.000002+0.000001+0+0.2*0.0000042025+0.1*0.0000207025
=0.000002+0.000001+0+0.000001+0.1*0.0000207025
=0.000002+0.000001+0+0.000001+0.000002
=0.000003+0+0.000001+0.000002
=0.000003+0.000001+0.000002
=0.000004+0.000002
=0.000006 答案:0.1*(0.066-0.06995)^2+0.2*(0.0675-0.06995)^2+0.4*(0.07-0.06995)^2+0.2*(0.072-0.06995)^2+0.1*(0.0745-0.06995)^2=0.000006你的问题在这里没有得到解决?请到 热门难题 里面看看吧!