能简便计算的简便计算
2个回答
展开全部
14-7.32-2.68
=14-（7.32+2.68）
=14-10
=4
3.1×1.2×0.5
=3.1×（1.2×0.5）
=3.1×0.6
=1.86
（2.5-0.25）×0.4
=2.5×0.4-0.25×0.4
=1-0.1
=0.9
9.16×1.5-0.5×9.16
=9.16×（1.5-0.5）
=9.16
3.78×99+3.78
=3.78×（99+1）
=378
5.6×101
=5.6×100+5.6
=560+5.6
=565.6
=14-（7.32+2.68）
=14-10
=4
3.1×1.2×0.5
=3.1×（1.2×0.5）
=3.1×0.6
=1.86
（2.5-0.25）×0.4
=2.5×0.4-0.25×0.4
=1-0.1
=0.9
9.16×1.5-0.5×9.16
=9.16×（1.5-0.5）
=9.16
3.78×99+3.78
=3.78×（99+1）
=378
5.6×101
=5.6×100+5.6
=560+5.6
=565.6
本回答由提问者推荐
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
展开全部
14-7.32-2.68=14-（7.32+2.68）=14-10=4
3.1×1.2×0.5=3.1×（1.2×0.5）=3.1×0.6=1.86
（2.5-0.25）×0.4=2.5×0.4-0.25×0.4=1-0.1=0.9
9.16×1,5-0.5×9.16=9.16×（1.5-0.5）=9.16×1=9.16
3.78×99+3.78=3.78×（99+1）=3.78×100=378
5.6×101=5.6×（100+1）=5.6×100+5.6×1=560+5.6=565.6
3.1×1.2×0.5=3.1×（1.2×0.5）=3.1×0.6=1.86
（2.5-0.25）×0.4=2.5×0.4-0.25×0.4=1-0.1=0.9
9.16×1,5-0.5×9.16=9.16×（1.5-0.5）=9.16×1=9.16
3.78×99+3.78=3.78×（99+1）=3.78×100=378
5.6×101=5.6×（100+1）=5.6×100+5.6×1=560+5.6=565.6
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
