直接写出得数 (1)0.25×3= 9.1÷1.3= 0.56×100= 4.5÷0.9=(2)3.3×0.4= 6.4÷0.08= 5.1÷1.7= 1×0.845=(3)8×(2.5+0.25)= 15÷0.15= 4.2÷0.14= 0.81÷0.9=(4)13.5﹣6.2﹣3.8= 4.9+8.7+5.1= 2.4×1.25= 1÷0.05=
1+0.5%= 0.8﹣= 0.5﹣= = 365﹣199= = 3×= = =
270×0.4×2×2.5×0.5 95×38+62÷.
口算题= = = 10%+0.9= 7﹣7÷8=7﹣7÷8= 79×99= 4÷7+3÷7= 6.8×= ==
能简算的要简算:(1)(25×4﹣12.5)×8 (2)÷6+×(3)×0.75+× (4)4﹣[3.75×(1.2﹣)+].
简便计算. 64×3.75+3.75×36 25×32×1.25.