小玲、小兰和小丽拿同样多的钱去买一样的图画纸,买回来后小玲比小丽多要5张,补给小丽6角钱,小丽比小兰少要4张,小兰补给她3角钱,图画纸每张多少钱?
下面各题能简算的要用简便计算.1.36+4.85+2.64+6.15 98.5÷2.5÷4 5.4÷[2.5×(3.7﹣2.9)]0.8×(4﹣3.68)÷0.01 83.7﹣12.83﹣0.17 5.96+13×(3.2﹣3.12)
计算下面各题,能简算的要简算.0.9+1.08+0.92+0.1 32.54﹣10.46﹣4.5418.73+3.85﹣2.73 45.6﹣(83.7﹣78.8)
下面各题,能用简便方法计算的用简便方法计算:2.5×12.5×32 6.4÷2.5÷0.4 5.4×0.36+0.64×5.49÷0.75+9÷0.25 17.2﹣0.71﹣0.29 8.6+1.4÷2.5.
用简便方法计算.3.45×102 0.47×0.5×0.8 0.46×1.9+0.54×1.9.
用简便方法计算.26.4×3.6﹣3.6×16.4 0.25×13×4 0.125×32.