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 383*0.2272*7+290*0.9822*7+290*0.5644*7+170*1.6643*7 的值.
题型:数学计算
解:
383*0.2272*7+290*0.9822*7+290*0.5644*7+170*1.6643*7
=87.0176*7+290*0.9822*7+290*0.5644*7+170*1.6643*7
=609.1232+290*0.9822*7+290*0.5644*7+170*1.6643*7
=609.1232+284.838*7+290*0.5644*7+170*1.6643*7
=609.1232+1993.866+290*0.5644*7+170*1.6643*7
=609.1232+1993.866+163.676*7+170*1.6643*7
=609.1232+1993.866+1145.732+170*1.6643*7
=609.1232+1993.866+1145.732+282.931*7
=609.1232+1993.866+1145.732+1980.517
=2602.9892+1145.732+1980.517
=3748.7212+1980.517
=5729.2382 答案:383*0.2272*7+290*0.9822*7+290*0.5644*7+170*1.6643*7=5729.2382你的问题在这里没有得到解决?请到 热门难题 里面看看吧!