合理灵活地计算下列各题.46×8﹣120÷5 +(﹣)×3.4×2.77+0.23×3.4 ×7.7+3.3×0.8﹣80%
直接写得数﹣= 1÷= 7×= 3÷=÷4= += ××8= 0÷=
直接写得数:+= 1﹣= ×= +25%=÷8= 4×25%= 0.36÷36%= 1﹣20%﹣=
直接写得数3÷= ×= ÷﹣=÷0.5= 2﹣= (1﹣)÷=
计算.= = = =×26= 12÷= ×= ÷=
直接写出的数.= = = =%= = = == =