直接写出得数330×3= 28÷3= 6÷8=05×360= 775﹣600= 430+70=0÷6= 207×5= 1﹣=+= += +=
直接写出得数.×= ﹣= 0÷=5÷= 70×=
计算0.62= ×= 4×60%= 0×=÷2= 10÷= ×3.6= 0.875÷0.125=
找准对应.(12)
×15= ÷= ÷50%= 8×25%=×0×= ﹣= 0.5+= ×=÷3= (﹣)×30=
16÷0.25= = = == = 1﹣= 2.25+×== = = =