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 0.24×(7.2-0.6)×7+(7.2-0.6-2.4-2.4)×0.24×(3.6-0.7-1)×7 的值.
题型:数学计算
解:
0.24×(7.2-0.6)×7+(7.2-0.6-2.4-2.4)×0.24×(3.6-0.7-1)×7
=0.24×6.6×7+(7.2-0.6-2.4-2.4)×0.24×(3.6-0.7-1)×7
=0.24×6.6×7+1.8×0.24×(3.6-0.7-1)×7
=0.24×6.6×7+1.8×0.24×1.9×7
=1.584×7+1.8×0.24×1.9×7
=11.088+1.8×0.24×1.9×7
=11.088+0.432×1.9×7
=11.088+0.8208×7
=11.088+5.7456
=16.8336 答案:0.24×(7.2-0.6)×7+(7.2-0.6-2.4-2.4)×0.24×(3.6-0.7-1)×7=16.8336你的问题在这里没有得到解决?请到 热门难题 里面看看吧!