1、直接写出得数:5% × = 1÷ = ÷60%= ×15= - = 6.8÷10%= 4.5+ = × = +1÷9 = 8× ÷ 8× = 2、解方程:6% 2X - = 6 x + x= X ÷ = ×25% 3、怎样算简便就怎样算.18% × - ÷ 8- - 2.7×1.25 + 5.3×12...
1、直接写出得数:5% × = 1÷ = ÷60%= ×15= - = 6.8÷10%= 4.5+ = × = +1÷9 = 8× ÷ 8× = 2、解方程:6% 2X - = 6 x + x= X ÷ = ×25% 3、怎样算简便就怎样算.18% × - ÷ 8- - 2.7×1.25 + 5.3×12...