一个圆柱形奶粉盒的底面半径是5厘米,高是20厘米,它的容积是多少立方厘米?
脱式计算. 96÷(15.4﹣12.2)9÷[0.3×(8﹣6.5)]0.175÷0.25÷0.4 0.175÷0.25×40.36÷[(6.1﹣4.6)×0.8]3.6×0.4+1.2×5.
怎样算简便就怎样算. 6.71×0.52+4.8×0.6712.5×(3.5﹣1.65)×0.4102×4.5 6.25÷1.25÷0.88.3﹣2.63+2.73×1.5.
(能简算的用简算) (1)3.72﹣(1.72+1.3)(2)208×7.3﹣20.8×63(3)15×888+32×0.125×0.25 (4)+﹣(5)+++(6)﹣(﹣)
脱式计算(能简算的要简算) 2.5×1.37×0.44.8×0.250.89×4.8+0.89×5.2 101×0.788.8×1.254.3×0.8×5.
脱式计算:(能用简便方法就用简便方法) 15.64﹣2.53﹣7.47; 3.7+6.3÷0.6﹣0.4; 3.5÷〔(0.45﹣0.38)×0.1〕; 5.6×7.2+4.4×7.2.