0.79×0.46+7.9×0.24+11.4×0.079

0.79×0.46+7.9×0.24+11.4×0.079 0.79 ×0.46+7.9 ×0.24+11.4×0.079 怎样算简便 0.79*0.46+7.9*0.24+11.4*0.079怎样简算 0.79*0.46+7.9*0.24+11.4*0.079怎样简便运算? 0.79×0.46+7.9×0.24+11.4×0.079=?简便计算! 7.5*23+31*2.5简便运算 0.79*0.46+7.9*0.24+11.4*0.079的简便运算 0.79*0.46 7.9*0.24 11.4*0.079用简便的方法怎么做 0.79乘0.46加7.9乘0.24加11.4乘0.079用简便方法计算? 7.5×23+31×2.5 0.79×0.46+7.9×0.24+11.4×0.079要简便算法 0.79乘0.46加7.9乘0.24加11.4乘0.079怎么简算, 0.79乘0.46加7.9乘0.24加11.4乘0.079怎样简算, 0.79乘以0.46加7.9乘以0.24加11.4乘以0.079怎样简便计算? 用简便方法计算（用递等式）① 392.6×192 —39260×0.92② 7.5×23+31×2.5③ 0.79×0.46＋7.9×0.24＋11.4×0.079 0.79*0.46+7.9*0.053+0.0079用简算怎么算? 谁能告诉我用简便方法计算下列各题：（1）.7.5乘23+31乘2.5 （2）.0.79乘0.46+7.9乘0.24+11.4乘0.079我之所以怎么做是因为我才上小学,各位大哥哥大姐姐帮帮忙啊,不然我就要挨打啦! 用简便方法解数学题1、395.6×192－39260×0.922、7.5×23+31×2.53、0.79×0.46+7.9×0.24+11.4×0.0794、有8个数排成一排,他们的平均数是9.3.已知前五个数的平均数是10.5,后四个数的平均数是11.3,请问第五个数 0.79乘0.64加7.9乘0.24加11.4乘0.079用简便方法计算 7.9×0.64+0.79×3.