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☆算术计算1题
〖1/1算式〗
作业:求算式 2/3*14300*0.5/4*(sin(180*0.245))^3+300*3.142*0.44/3.14159*(sin(180*0.245)+sin(180*(1.25-0.245*2))) 的值.
题型:数学计算
解:
2/3*14300*0.5/4*(sin(180*0.245))^3+300*3.142*0.44/3.14159*(sin(180*0.245)+sin(180*(1.25-0.245*2)))
=2/3*14300*0.5/4*(sin44.1)^3+300*3.142*0.44/3.14159*(sin(180*0.245)+sin(180*(1.25-0.245*2)))
=2/3*14300*0.5/4*0.117431^3+300*3.142*0.44/3.14159*(sin(180*0.245)+sin(180*(1.25-0.245*2)))
=2/3*14300*0.5/4*0.117431^3+300*3.142*0.44/3.14159*(sin44.1+sin(180*(1.25-0.245*2)))
=2/3*14300*0.5/4*0.117431^3+300*3.142*0.44/3.14159*(sin44.1+sin(180*0.76))
=2/3*14300*0.5/4*0.117431^3+300*3.142*0.44/3.14159*(sin44.1+sin136.8)
=2/3*14300*0.5/4*0.117431^3+300*3.142*0.44/3.14159*(-0.872684)
=2/3*14300*0.5/4*0.001619378159174+300*3.142*0.44/3.14159*(-0.872684)
=0.666667*14300*0.5/4*0.001619378159174+300*3.142*0.44/3.14159*(-0.872684)
=9533.3381*0.5/4*0.001619378159174+300*3.142*0.44/3.14159*(-0.872684)
=4766.66905/4*0.001619378159174+300*3.142*0.44/3.14159*(-0.872684)
=1191.667263*0.001619378159174+300*3.142*0.44/3.14159*(-0.872684)
=1.92976+300*3.142*0.44/3.14159*(-0.872684)
=1.92976+942.6*0.44/3.14159*(-0.872684)
=1.92976+414.744/3.14159*(-0.872684)
=1.92976+132.017227*(-0.872684)
=1.92976+(-115.209322)
=-113.279562 答案:2/3*14300*0.5/4*(sin(180*0.245))^3+300*3.142*0.44/3.14159*(sin(180*0.245)+sin(180*(1.25-0.245*2)))=-113.279562 注:弧度制你的问题在这里没有得到解决?请到 热门难题 里面看看吧!