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 0.3*6.3*7.8*4+0.3*1.95*7.8*4+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10 的值.
题型:数学计算
解:
0.3*6.3*7.8*4+0.3*1.95*7.8*4+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=1.89*7.8*4+0.3*1.95*7.8*4+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=14.742*4+0.3*1.95*7.8*4+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+0.3*1.95*7.8*4+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+0.585*7.8*4+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+4.563*4+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+0.72*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+5.616*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+11.232+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+11.232+1.17*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+11.232+7.371*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+11.232+140.049+0.3*1.95*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+11.232+140.049+0.585*3.9*20+0.3*2.4*3.9*10
=58.968+18.252+11.232+140.049+2.2815*20+0.3*2.4*3.9*10
=58.968+18.252+11.232+140.049+45.63+0.3*2.4*3.9*10
=58.968+18.252+11.232+140.049+45.63+0.72*3.9*10
=58.968+18.252+11.232+140.049+45.63+2.808*10
=58.968+18.252+11.232+140.049+45.63+28.08
=77.22+11.232+140.049+45.63+28.08
=88.452+140.049+45.63+28.08
=228.501+45.63+28.08
=274.131+28.08
=302.211 答案:0.3*6.3*7.8*4+0.3*1.95*7.8*4+0.3*2.4*7.8*2+0.3*3.9*6.3*19+0.3*1.95*3.9*20+0.3*2.4*3.9*10=302.211你的问题在这里没有得到解决?请到 热门难题 里面看看吧!