怎样算简便就怎样算:6÷﹣÷6; ×÷(﹣); ÷9+×; 2﹣÷﹣.
432﹣198= 4.35+1.8= 2.4×5= 1.25×0.8= 1÷0.25=685+40= 3.2×20= 8.4÷21= 3.75+0= 10﹣0.6=0.1×0.1÷0.1×0.1= 999+99+3= 5.4÷1.5÷6= 6.87﹣4.9﹣0.87=
直接写出得数:1300﹣497= 0.81+15.3= 1÷0.04= 6.3÷10%=6298÷68≈ 0.32= ÷0.75= 1÷3×=
直接写得数.2+8= 0.8×4= 0.2+0.8÷2= 1÷0.125= 60×5%=1﹣﹣= 1﹣+= 3.2÷= ×6÷×6= (﹣)×20=
用竖式计算下面各题,并且验算.618+4405=49.44÷2.4=
竖式计算.(1)27+5.8=(2)16÷0.25=