27.3×3.6+36×7.27=?要用简便法解释 我帮朋友问的还有一道 (4.69×2.3+53.

27.3×3.6+36×7.27=?要用简便法解释 我帮朋友问的还有一道 (4.69×2.3+53.

27.3×3.6+36×7.27＝2.73×36＋36×7.27＝36×（2.73＋7.27）＝36×10＝360应该是(4.69×2.3+53.1×0.23)÷2.3吧(4.69×2.3+53.1×0.23)÷2.3＝（4.69×2.3＋5.31×2.3）÷2.3＝[2.3×（4.69+5.31）]÷2.3＝2.3×10÷2.3＝10======以下答案可供参考======供参考答案1:（1）27.3*36+36*7.27=36*2.73+36*7.27=(2.73+7.27)*36=10*36=360(2)好像题目错了吧？那个0.232似乎是0.23供参考答案2:27.3*3.6+36*7.27=36*(7.27+2.73)=360(4.69*2.3+53.1*0.232)/2.3=2.3*(4.69+5.31)/2.3=10供参考答案3:27.3×3.6+36×7.27=3.68(72.7+27.3)=3.68*100=368(4.69×2.3+53.1×0.232)÷2.3=4.69*2.3/2.3+53.1*0.232/2.3供参考答案4:27.3×3.6+36×7.27=27.3×3.6+3.6×72.7=3.6×(27.3+72.7)=3.6×100=360供参考答案5:27.3*3.6+36*7.27=27.3*3.6+3.6*72.7=3.6*(27.3+72.7)=360(4.69×2.3+53.1×0.232)÷2.3?是(4.69×2.3+53.1×0.23)÷2.3吧?=4.69*2.3/2.3+53.1*0.23/2.3=4.69+5.31=10供参考答案6:(1) (27.3+72.7)x3.6=360第二题,题目打错了把.应该是(4.69×2.3+53.1×0.23)÷2.3=?[(46.9+53.1)x2.3]÷2.3=100供参考答案7:27.3×3.6+36×7.27=27.3×3.6+3.6×72.7 =3.6×(27.3+72.7) =3.6×100=360(4.69×2.3+53.1×0.232)÷2.3=4.69×2.3÷+53.1×0.232÷2.3 =4.69+5.31×2.32÷2.3 =(4.69+5.31)×1 =100.232 ? 写错了吧？供参考答案8:27.3 x3.6+3.6 x 72.7=3.6x ( 27.3+72.7) =360供参考答案9:你家没计算器啊供参考答案10:27.3×3.6+36×7.27 ＝2.73×36＋36×7.27 ＝36×（2.73＋7.27） ＝36×10 ＝360 好像题目错了吧？那个0.232似乎是0.234.69×2.3+53.

这个问题我还想问问老师呢