96.5×43.5+43.5×28.5﹣25×43.5.
怎样简便就怎样计算.1.25×8.8 0.71×6.29+0.71×3.61 36.6÷2×0.5.
用直线把相等的式子连起来.
用简便方法计算.332×4+68×4 78×101 15×4×25.
计算.能简算的要简算(1)2.3×4.5+1.7×4.5 (2)8×3.24×1.25(3)6.2×1.3﹣9÷3.6 (4)8.5+1.52÷0.5﹣2.6.
巧算:4.65×320+46.5×68.