3.2÷[0.75÷(0.75×4)] 这道题怎么用简便方法?

3.2÷[0.75÷(0.75×4)] 这道题怎么用简便方法? 3.2÷[0.75÷(0.75×4)] 这道题怎么用简便方法? 3.2×1.25×2.5 42.6÷2.5÷4 递等式（能简算要简算）0.75×24÷0.25 简算3.2÷2.56+0.75×4.8= (-0.75)÷4分之五÷(-0.3) 计算.1)(-378)÷(-7)÷(-9) 2)(-0.75)÷4分之5÷(-0.3) 3)(-3.2)÷5分之96 4)(-14分之9)÷2.5 11.25÷0.75 14.3÷()=0.75 12÷()=0.75 4分之1÷0.75= 快哦,4 /1÷ ( )=0.75 4200-34×105 4.5÷0.25-0.75×1.2 11÷12+5÷（13+11） 16.2÷(3.2×0.25+4.6)脱式计算上4题 0.75×18÷0.15,2.07÷0.23÷0.45,21.36÷0.8-12.9,7.28+3.2÷2.5 0.75＝（ ）÷4＝9÷（ 6÷()=()÷4=():24=0.75 简便计算:3.6÷0.75+0.75 简算题一道(0.75×3.24+1.67×75%)÷0.75×900×(1-80%)÷3/4 递等式计算 0.75×18÷0.15 2.07÷0.23÷0.45 21.36÷0.8递等式计算0.75×18÷0.152.07÷0.23÷0.4521.36÷0.8-12.97.28+3.2÷2.5