能简算的要用简便方法计算
①3.28×0.46+6.72×0.46
②9.73×2.8﹣4.73×2.8
③1.35×6.2+5.79÷0.3
④27.9+3.6×2.5÷0.48
⑤0.6×(5.3﹣1.7)÷0.9
⑥6.4÷[(4.3+2.1)÷0.8].
能简算的要用简便方法计算
①3.28×0.46+6.72×0.46
②9.73×2.8﹣4.73×2.8
③1.35×6.2+5.79÷0.3
④27.9+3.6×2.5÷0.48
⑤0.6×(5.3﹣1.7)÷0.9
⑥6.4÷[(4.3+2.1)÷0.8].