0.7+0.33= 0.64÷16= 0.7﹣0.33= 0.4÷0.5=6.25÷5= 1.05﹣0.86= 2.5÷0.25= 0.25×0.04=1﹣0.36= 12.5×0.8=
怎样算简便就怎样算 ①9.5﹣9.5×(9.5﹣9.5)÷9.5 ②12.5×4×0.25×80 ③45.893﹣(3.7+25.893) ④20﹣[8.07+(7.54﹣3.86)].
简便计算. ①0.8×7.7+2.3×0.8 ②36×10.1.
用简便方法计算. 37+125+63+175 75×56﹣56×28 8×(29×l25) 156×l0l﹣156.
用简便方法计算 0.33×0.5×46.3×2.3+7.7×6.31.25×0.9×0.85.8×100.1.
125×0.32×2.5.