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☆算术计算1题
〖1/1算式〗
作业:求算式 0.29*14.3*1000*0.785*(1-(sin(2*3.14159*0.29)/(2*3.14159*0.29)))+(3*0.29-1.25)*300*25445/1000 的值.
题型:数学计算
解:
0.29*14.3*1000*0.785*(1-(sin(2*3.14159*0.29)/(2*3.14159*0.29)))+(3*0.29-1.25)*300*25445/1000
=0.29*14.3*1000*0.785*(1-(sin1.822122/(2*3.14159*0.29)))+(3*0.29-1.25)*300*25445/1000
=0.29*14.3*1000*0.785*(1-(sin1.822122/1.822122))+(3*0.29-1.25)*300*25445/1000
=0.29*14.3*1000*0.785*(1-0.531569)+(3*0.29-1.25)*300*25445/1000
=0.29*14.3*1000*0.785*0.468431+(3*0.29-1.25)*300*25445/1000
=0.29*14.3*1000*0.785*0.468431+(-0.38)*300*25445/1000
=4.147*1000*0.785*0.468431+(-0.38)*300*25445/1000
=4147*0.785*0.468431+(-0.38)*300*25445/1000
=3255.395*0.468431+(-0.38)*300*25445/1000
=1524.927935+(-0.38)*300*25445/1000
=1524.927935+(-114)*25445/1000
=1524.927935+(-2900730)/1000
=1524.927935+(-2900.73)
=-1375.802065 答案:0.29*14.3*1000*0.785*(1-(sin(2*3.14159*0.29)/(2*3.14159*0.29)))+(3*0.29-1.25)*300*25445/1000=-1375.802065 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!