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☆算术计算1题
〖1/1算式〗
作业:求算式 2/3*1*14.3*3.1415926*400^3*(sin(180*0.2436))^3/3.1415926 的值.
题型:数学计算
解:
2/3*1*14.3*3.1415926*400^3*(sin(180*0.2436))^3/3.1415926
=2/3*1*14.3*3.1415926*400^3*(sin43.848)^3/3.1415926
=2/3*1*14.3*3.1415926*400^3*(-0.133894)^3/3.1415926
=2/3*1*14.3*3.1415926*64000000*(-0.133894)^3/3.1415926
=2/3*1*14.3*3.1415926*64000000*-0.002400398507681/3.1415926
=0.666667*1*14.3*3.1415926*64000000*(-0.002400398507681)/3.1415926
=0.666667*14.3*3.1415926*64000000*(-0.002400398507681)/3.1415926
=9.533338*3.1415926*64000000*(-0.002400398507681)/3.1415926
=29.949864*64000000*(-0.002400398507681)/3.1415926
=1916791296*(-0.002400398507681)/3.1415926
=(-4601062.966454)/3.1415926
=(-1464563.854159) 答案:2/3*1*14.3*3.1415926*400^3*(sin(180*0.2436))^3/3.1415926=-1464563.854159 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!