怎样简便就怎样算.
3280÷16+600 18.75﹣6.2﹣3.8 25×(100+4)
3.75+4.5÷0.18×0.25 25×32×125 (7.6×15+2.4×5)÷126.
怎样简便就怎样算.
3280÷16+600 18.75﹣6.2﹣3.8 25×(100+4)
3.75+4.5÷0.18×0.25 25×32×125 (7.6×15+2.4×5)÷126.