题目内容

【题目】脱式算得数。(能简算的要简算)

0.25×3.78×4 10.1×9.8

1.24×8.7+17.6×0.87 3.2×6.5÷0.26

【答案】3.78 98.98

26.1 80

【解析】

0.25×3.78×4

=0.25×4×3.78

=1×3.78

=3.78

10.1×9.8

=10×9.8+0.1×9.8

=98+0.98

=98.98

1.24×8.7+17.6×0.87

=8.7×1.24+8.7×1.76

=8.7×(1.24+1.76)

=8.7×3

=26.1

3.2×6.5÷0.26

=20.8÷0.26

=80

练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网