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☆算术计算1题
〖1/1算式〗
作业:求算式 0.5*3.14*1.2*280*7+0.8*0.8*1.131*(550+6*(4.6*6+3.8*7+(7-4.6-3.8+2)*10/(7+2))*(7+2-3)) 的值.
题型:数学计算
解:
0.5*3.14*1.2*280*7+0.8*0.8*1.131*(550+6*(4.6*6+3.8*7+(7-4.6-3.8+2)*10/(7+2))*(7+2-3))
=0.5*3.14*1.2*280*7+0.8*0.8*1.131*(550+6*(4.6*6+3.8*7+0.6*10/(7+2))*(7+2-3))
=0.5*3.14*1.2*280*7+0.8*0.8*1.131*(550+6*(4.6*6+3.8*7+0.6*10/9)*(7+2-3))
=0.5*3.14*1.2*280*7+0.8*0.8*1.131*(550+6*54.866667*(7+2-3))
=0.5*3.14*1.2*280*7+0.8*0.8*1.131*(550+6*54.866667*6)
=0.5*3.14*1.2*280*7+0.8*0.8*1.131*2525.200012
=1.57*1.2*280*7+0.8*0.8*1.131*2525.200012
=1.884*280*7+0.8*0.8*1.131*2525.200012
=527.52*7+0.8*0.8*1.131*2525.200012
=3692.64+0.8*0.8*1.131*2525.200012
=3692.64+0.64*1.131*2525.200012
=3692.64+0.72384*2525.200012
=3692.64+1827.840777
=5520.480777 答案:0.5*3.14*1.2*280*7+0.8*0.8*1.131*(550+6*(4.6*6+3.8*7+(7-4.6-3.8+2)*10/(7+2))*(7+2-3))=5520.480777你的问题在这里没有得到解决?请到 热门难题 里面看看吧!