列竖式计算.56×8708×4315×9280×6.
6﹣2= 18÷9= 5.6×= += 8÷=÷0.8= 3.6﹣1= ×= 3.14×4= +=+2= 0.45÷= 55÷= 8÷= 10﹣9.45=3+4= 0.36×100= 0.5÷100= 1×= ÷7=
直接写出得数÷3= ×15= 2﹣= ÷= 5÷=
直接写出得数= 1÷= ÷60%= ×15= =6.8÷10%= 4.5+= = 2﹣= =
计算75× ×13 × ×× ÷ × ×÷ × ÷ ÷÷ ÷ ÷21.
×= ÷6= ÷= 1÷=×= ﹣= += 6÷=0÷= ×= = =