16÷0.25= = = == = 1﹣= 2.25+×== = = =
直接写得数×8= ×= 81÷= ÷= 63÷=÷= ××= 3×÷3×= 36×25%= (﹣)×24=
直接写出得数:25×= 1.8×= ÷= ÷3=﹣= ﹣= (+)×30= ÷×=.
直接写出得数(1)6×= ×= ××2= +×0=(2)÷= 4.8÷= ÷37.5%= 15%×60=(3)16:24= := 1÷(0.36+0.14)= ×÷×=
×10= ÷= ÷80%=8×12.%= ×0×= ﹣=0.5+= ×= ÷3=(﹣)×=