在跳远比赛中,小华跳出了3.26米,小东比小华多跳0.4米,小强比小东少跳0.25米,小强跳了多少米?
用简便方法计算下面各题. 87+124+13+76487﹣(187+256) 125×48 427×99254×9﹣54×96000÷4÷25.
脱式计算 25×(8+4) 0.25+3.64+1.75+6.36 360÷2.5÷4 25×12﹣12×5.
能简算的就简算. ①2.983+0.53+1.25②23.75﹣3.625﹣0.375③5.1+0.9﹣5.1+0.9 ④49.3﹣28.5+20.5⑤6.32﹣(5.26﹣3.52)⑥10.75+0.4+0.25.
简便计算: 2.37×6.3+2.37×3.7 2.5×1.25×0.32 4.4×25 2.64÷5÷0.2 3.8×10.1.
479﹣201 =479﹣ = , = ; 25×36 =25× × , = , = ; 2700÷(27×25), =2700÷ , = ; = ; 98×47, =(100 )×47, =100×47 ×47, = .