总述:本次共解4题。其中
☆算术计算4题
〖1/4算式〗
作业:求算式 (0.1+0.2*(0.4-0.1)*2)*0.2*(3.3-0.5)*24 的值.
题型:数学计算
解:
(0.1+0.2*(0.4-0.1)*2)*0.2*(3.3-0.5)*24
=(0.1+0.2*0.3*2)*0.2*(3.3-0.5)*24
=0.22*0.2*(3.3-0.5)*24
=0.22*0.2*2.8*24
=0.044*2.8*24
=0.1232*24
=2.9568 答案:(0.1+0.2*(0.4-0.1)*2)*0.2*(3.3-0.5)*24=2.9568〖2/4算式〗
作业:求算式 (0.1+0.2*(0.4-0.1)*3)*0.2*(3.3-0.5)*24 的值.
题型:数学计算
解:
(0.1+0.2*(0.4-0.1)*3)*0.2*(3.3-0.5)*24
=(0.1+0.2*0.3*3)*0.2*(3.3-0.5)*24
=0.28*0.2*(3.3-0.5)*24
=0.28*0.2*2.8*24
=0.056*2.8*24
=0.1568*24
=3.7632 答案:(0.1+0.2*(0.4-0.1)*3)*0.2*(3.3-0.5)*24=3.7632〖3/4算式〗
作业:求算式 ((0.2+0.2*(0.4-0.1))*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*6 的值.
题型:数学计算
解:
((0.2+0.2*(0.4-0.1))*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*6
=((0.2+0.2*0.3)*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*6
=(0.26*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*6
=(0.26*0.2+0.1*0.2*0.3)*(3.1-0.5)*6
=0.058*(3.1-0.5)*6
=0.058*2.6*6
=0.1508*6
=0.9048 答案:((0.2+0.2*(0.4-0.1))*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*6=0.9048〖4/4算式〗
作业:求算式 ((0.2+0.2*(0.4-0.1)*2)*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*12 的值.
题型:数学计算
解:
((0.2+0.2*(0.4-0.1)*2)*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*12
=((0.2+0.2*0.3*2)*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*12
=(0.32*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*12
=(0.32*0.2+0.1*0.2*0.3)*(3.1-0.5)*12
=0.07*(3.1-0.5)*12
=0.07*2.6*12
=0.182*12
=2.184 答案:((0.2+0.2*(0.4-0.1)*2)*0.2+0.1*0.2*(0.4-0.1))*(3.1-0.5)*12=2.184你的问题在这里没有得到解决?请到 热门难题 里面看看吧!