问题
解答题
59×42≈______ 32×61≈______ 993×19≈______.
答案
59×42≈2400 32×61≈1800 993×19≈20000
故答案为:2400,1800,20000.
59×42≈______ 32×61≈______ 993×19≈______.
59×42≈2400 32×61≈1800 993×19≈20000
故答案为:2400,1800,20000.