50千克甘蔗可以榨糖6千克,1000千克甘蔗可以榨糖多少千克?
用递等式计算,怎样算简便就怎样算:①8.4×0.26+0.74 ②23.4÷7.8﹣2.1 ③0.25×13.2×4④2.65×1.7+13.5×0.17 ⑤0.78÷0.25×4 ⑥0.8×(3.2﹣3.2÷1.6)
脱式计算(能简算的要简算).①9﹣18.9÷1.4 ②11.3+12.9+(8.7﹣10.9)③17.6÷(17.6×2)④6.4×3.18+4.6×3.18﹣3.18.
计算下面各题,能简算的要简算.3.27+6.4+2.73+4.6 60﹣18.27﹣1.73 99×47102×12+98×12 (210﹣62÷31)×4 25×16.
脱式计算:(能简算的要简算)①2.4×1.5+3.6÷1.5②0.32×0.25+0.08÷4③7.38﹣5.14+3.62﹣2.86④5.4÷[0.51÷(1.2﹣1.03)].
能简便的用简便方法计算.0.88×4.9+5.1×0.88 2.5×8×0.4×0.125 0.65×20121.36÷0.8﹣12.9 0.25×1.25×3.2 7.28+3.2÷2.5.