总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 300*6.3-(300*3.6-45*6.3-1000)*2.5%-300*6.3*15%-300*6.3*1%-45*6.3-1000 的值.
题型:数学计算
解:
300*6.3-(300*3.6-45*6.3-1000)*2.5%-300*6.3*15%-300*6.3*1%-45*6.3-1000
=300*6.3-(-203.5)*2.5%-300*6.3*15%-300*6.3*1%-45*6.3-1000
=300*6.3--203.5*0.025-300*6.3*15%-300*6.3*1%-45*6.3-1000
=300*6.3--203.5*0.025-300*6.3*0.15-300*6.3*1%-45*6.3-1000
=300*6.3--203.5*0.025-300*6.3*0.15-300*6.3*0.01-45*6.3-1000
=1890-(-203.5)*0.025-300*6.3*0.15-300*6.3*0.01-45*6.3-1000
=1890-(-5.0875)-300*6.3*0.15-300*6.3*0.01-45*6.3-1000
=1890--5.0875-1890*0.15-300*6.3*0.01-45*6.3-1000
=1890--5.0875-283.5-300*6.3*0.01-45*6.3-1000
=1890--5.0875-283.5-1890*0.01-45*6.3-1000
=1890--5.0875-283.5-18.9-45*6.3-1000
=1890--5.0875-283.5-(18.9)-283.5-1000
=1895.0875-283.5-18.9-283.5-1000
=1611.5875-18.9-283.5-1000
=1592.6875-283.5-1000
=1309.1875-1000
=309.1875 答案:300*6.3-(300*3.6-45*6.3-1000)*2.5%-300*6.3*15%-300*6.3*1%-45*6.3-1000=309.1875你的问题在这里没有得到解决?请到 热门难题 里面看看吧!