竖式计算并验算:(1)10.04×2.5 (2)0.47÷1.6 (3)0.048÷0.025.
÷= ÷3= ××= ×9×=÷2= 5÷﹣÷5= 7﹣= (1.6+3.2)×0.125= 6×=
直接写出计算结果.×12=÷=1﹣10%=+=4×25%=18÷=
直接写出得数:1﹣5%= += ×= 3÷=6×= ×= += ÷=÷12= ﹣=
+= ﹣= 298+76= 4.8÷0.01=12×(×)= 0.25×12= 3.28×0×72%= 4.62+6.8=3.75﹣2.8= ÷=
= = = == 99×0.25+0.25= = 7.2÷100﹣0.72÷10== =