1057比846多多少?
÷8= 1÷0.01= ×6= ÷= 1÷=+= ﹣= ÷= += ×=
直接写得数.= = = == = = =
直接写得数6÷= += ×8= ﹣= ×=÷= += ÷= 14×= 1÷60%=
1÷÷=8 .
直接写出得数.÷2= 6×= == = =0÷= =