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 ((48.5+17.9)*2-0.5*26)*3.144*(3.9-0.6)-4*3.0*1.8*(3.144-0.4)-11*4.5*1.8*(3.144-0.4)-4*2.4*1.8*(3.144-0.4) 的值.
题型:数学计算
解:
((48.5+17.9)*2-0.5*26)*3.144*(3.9-0.6)-4*3.0*1.8*(3.144-0.4)-11*4.5*1.8*(3.144-0.4)-4*2.4*1.8*(3.144-0.4)
=(66.4*2-0.5*26)*3.144*(3.9-0.6)-4*3.0*1.8*(3.144-0.4)-11*4.5*1.8*(3.144-0.4)-4*2.4*1.8*(3.144-0.4)
=119.8*3.144*(3.9-0.6)-4*3.0*1.8*(3.144-0.4)-11*4.5*1.8*(3.144-0.4)-4*2.4*1.8*(3.144-0.4)
=119.8*3.144*3.3-4*3.0*1.8*(3.144-0.4)-11*4.5*1.8*(3.144-0.4)-4*2.4*1.8*(3.144-0.4)
=119.8*3.144*3.3-4*3.0*1.8*2.744-11*4.5*1.8*(3.144-0.4)-4*2.4*1.8*(3.144-0.4)
=119.8*3.144*3.3-4*3.0*1.8*2.744-11*4.5*1.8*2.744-4*2.4*1.8*(3.144-0.4)
=119.8*3.144*3.3-4*3.0*1.8*2.744-11*4.5*1.8*2.744-4*2.4*1.8*2.744
=376.6512*3.3-4*3*1.8*2.744-11*4.5*1.8*2.744-4*2.4*1.8*2.744
=1242.94896-4*3*1.8*2.744-11*4.5*1.8*2.744-4*2.4*1.8*2.744
=1242.94896-12*1.8*2.744-11*4.5*1.8*2.744-4*2.4*1.8*2.744
=1242.94896-21.6*2.744-11*4.5*1.8*2.744-4*2.4*1.8*2.744
=1242.94896-59.2704-11*4.5*1.8*2.744-4*2.4*1.8*2.744
=1242.94896-59.2704-49.5*1.8*2.744-4*2.4*1.8*2.744
=1242.94896-59.2704-89.1*2.744-4*2.4*1.8*2.744
=1242.94896-59.2704-244.4904-4*2.4*1.8*2.744
=1242.94896-59.2704-244.4904-9.6*1.8*2.744
=1242.94896-59.2704-244.4904-17.28*2.744
=1242.94896-59.2704-244.4904-47.41632
=1183.67856-244.4904-47.41632
=939.18816-47.41632
=891.77184 答案:((48.5+17.9)*2-0.5*26)*3.144*(3.9-0.6)-4*3.0*1.8*(3.144-0.4)-11*4.5*1.8*(3.144-0.4)-4*2.4*1.8*(3.144-0.4)=891.77184你的问题在这里没有得到解决?请到 热门难题 里面看看吧!