不计算,判断积的小数部分是几位小数.425×0.03 4.25×0.005 3.458×0.29 0.048×0.213 .
= ÷28=七成五= %= (填小数).
÷5=6: =0.6== :15.
3÷4= (填分数)= (填小数)
= ÷ == (最后一空填小数)
1.75=7÷ = =28÷ = .