5.4×0.68+0.34×2×0.46简便计算

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5.4×0.68+0.34×2×0.46简便计算

5.4×0.68+0.34×2×0.46简便计算
5.4×0.68+0.34×2×0.46简便计算

5.4×0.68+0.34×2×0.46简便计算
5.4×0.68+0.34×2×0.46
=5.4×0.68+0.68×0.46
=0.68×(5.4+0.46)
=0.68×5.86
=3.9848

=5.4×0.68+0.68×0.64
=0.68(5.4+0.64)
=0.68×6.04
=4.1072

5.4*0.68+0.68*0.46=0.46*5.86=2.6956

你好,第二项中0.34乘以2就是0.68所以提取公因项0.68就得到0.68乘以(5.4+0.46)你这题中数是不是有点问题,你再看看,我估计你题 中的0.46是4.6,那最后的结果就是6.8了。

可以提取公因数吧
5.4×0.68+0.34×2×0.46
=5.4×0.68+(0.34×2)×0.46
=5.4×0.68+0.68×0.46
=(5.4+0.46)×0.68
=5.86×0.68
=3.9848

5.4×0.68+0.34×2×0.46
=5.4×0.68+0.68×0.46
=0.68×(5.4+0.46)
=0.68×5.86
=3.9848

希望对你有帮助!
再核对一下题目吧,到底是不是0.46,是不是5.4。

题目抄错了吧?要么是0.54,要么是4.6;
这样做提了公因式也并不简便。

70.×0.+×0.0 =×0.0+×0.0 =×(0.0+0.0)=×0. =0.雷炫斑M

5.4×0.68+0.34×2×0.46简便计算 5.4×0.68+3.4×2×0.46简便计算 5.4×0.68+3.4×2×0.46简便计算, 0.68×5.4+6.5×0.46 简便计算 5.4×0.68+3.4×2×0.46 23.9—0.6×0.6-0.64 13÷12.5 7.8×4.86÷3.95.4×0.68+3.4×2×0.46 ,23.9—0.6×0.6-0.64 ,13÷12.5 ,7.8×4.86÷3.9 快一点啊! -5*2/3-3/7*0.34+1/3*(-5)+2/7*(-0.68) 简便计算 2.86÷0.34+5.4÷0.34怎么简算 六道递等式计算,能简便就简便 153.7-65.8-4.2 6.15÷0.25×0.4 5.4×1.28+0.46×12.8 [0.68÷(3.2-3.03)+1.4]÷(6-0.6) 23.1×2.3÷23.1×213.5÷2.2 13.5÷2.5 36.4*0.46+3.6*5.4简便运算 36.4*0.46+3.6*5.4有没有简便运算有的写下来, 5.4/0.6+(2.3-0.46)用简便方法计算 0.68+3分之2+0.32 五道计算题,求解(尽量简算,(1).-13×2/3+0.34×2/7+1/3×(-13)+5/7×0.34====(2).-69又15/16×8(注:是负六十九又十六分之十五乘八)====(3).-0.32×(-4.58)-0.68×(-4.58)====(4).(-125)×(-25)×(-5)×(+2) 求问一个数据拟合的总题公式为y=A+Bln(t)其中 y为:0 0.23 0.35 0.46 0.54 0.59 0.63 0.66 0.68 0.69t为:0 1 2 3 4 5 6 7 8 9用上面的数据和公式进行拟合数据 求出A B的值以及满足数据和公式的相关系数(用excel中 (-13)*2/3-0.34*2/7+1/3*(-13)-0.34*2/7-5/7*0.34到底怎么算注意 是两个0.34*2/7 0.34÷0.12,商2,余数是? -15×2/7-0.68×3/5+5/7×(-15)-2/5×0.68 0.49/4.98.4/0.072.9/105.1/0.175.2/139/0.090.18/0.030.5/0.252.8/0.0217/0.170.57/0.191.5*61.7*0.41.8/90.36/0.022.4*0.040.2*0.50.105/0.015.4/2.70.34*0.10.67/6.712*0.75.4/180.56/0.70.9*0.46/1.51.25*0.4 0.98/0.140.8/100.17*103.3/114/0.8 2.5*0.47.5/0.34.9/