作业帮0.8888*0.6+0.2222*7.6怎样简算?请帮我详细讲解..
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0.8888*0.6+0.2222*7.6怎样简算?请帮我详细讲解..
0.8888*0.6+0.2222*7.6怎样简算?请帮我详细讲解..
0.8888*0.6+0.2222*7.6怎样简算?请帮我详细讲解..
0.8888*0.6+0.2222*7.6
＝0.2222x4x0.6+0.2222x7.6
=0.2222x(2.4+7.6)
=0.2222x10
=2.222
2.222
0.8888*0.6+0.2222*0.6+0.2222*7
=(0.8888+0.2222)*0.6+0.2222*7
=1.111*0.2*3+0.2222*7
=0.2222*(3+7)
=0.2222*10
=2.222
0.8888×0.6+0.2222×7.6要有算式
0.8888*0.7+0.2222*7.2=?
两道简单的数学简算题0.8888*0.6+0.2222*7.656*1.02-1.4*0.8
0.8888×0.6+0.2222×7.6注意:简便运算知道的请告诉偶啊Thank you
0.8888*0.6+0.2222*7.6怎样简算?请帮我详细讲解..
0.8+0.88+0.888+0.8888+0.2222(简便）
简算8888×0.6+0.2222×7.6
67*四分之一+2又二分之一*3.75减四又二分之一*25%0.8888*0.6+0.2222*7.6465*8.2+46.5*296减365*37.8答出其中一道也可以
0.8888乘0.7加0.2222乘1.2等于多少（要过程）
0.1111*8*0.4*0.8888*0.6简算
0.1111×3.2+0.8888×0.6等于多少
怎样用简便方法计算0.1111乘3.2+0.8888乘0.6
0.1111×3.2+0.8888×0.6用简便方法计算
用简便方法计算0.1111*0.32+0.8888*0.6
0.8888*0.6+0.1111*5.2用最简便的方法算出来
0.1111……+0.2222……+0.33333…… …………+0.878787……+0.8888……+0.898989……
数学的悖论9/1 = 0.1111循环 9/2=0.2222循环 9/8就是0.8888循环. 9/9就是0.99999循环? 9/1 * 9 = .01111循环*9 就是0.99999循环?
1/9=0.1111…… 2/9=0.2222…… 8/9=0.8888…… 9/9=0.9999…… 同时9/9=1； 那是不是0.9999……=1呢?网上很多种个人见解,众说纷纭无法定论,寻求权威解释,最好能引用出处······这个问题已经纠结很久