250×199.
直接写得数1÷0.01= 100×0.4%= ÷÷6= 12÷(+)=÷10%= 8﹣8÷9= 6﹣+= (+﹣)×30=×= 1÷0.1×1÷0.1= ÷×6= ﹣×=
简便计算.0.6×47+52×+60% 5.72﹣1.84﹣1.16 7×6+2×6.
合理灵活地计算下列各题.8.75﹣5.375+2.25+4.125 ×〔(+)÷〕 45×+×55 4.3﹣(+2.4÷)
(1)0.125×0.32×5=(2)=(3)=(4)35000÷28×8=(5)222×555=(6)=(7)0.125×0.25×0.5×64=(8)=
计算:(1)+﹣ (2)3.2﹣0.85﹣1 (3)3.2×﹣÷2(4)1.725×4×0.5 (5)(+)÷ (6)×6%