1、(1)14÷2+5=12(元)
(2)5-12÷3=1(元)
2、(说一说略)
4+24÷8
=4+3
=7
72÷8-3
=9-3
=6
5-8÷4
=5-2
=3
45-5 ×4
=45-20
=25
86-6×8
=86-48
=38
9+81÷9
=9+9
=18
3、(1) 9-56÷8=2(元)
(2)买1盒酸奶和1瓶绿茶一共要用多少元?
9+18÷6=12(元)
买3盒酸奶和1桶绿茶一共要用多少元?
3×9+15 =42(元)
4、24+40÷8
=24+5
=29
15-6×2
=15 -12
=3
35÷5-4
=7-4
=3
5、 45÷5+14
=9+14
=23
9×7-30
=63-30
=33
45+15÷3
=45+5
=50
72÷9-8
=8-8
=0
20+6×6
=20+36
=56
15-48÷8
=15-6
=9
6、(1)20÷4-2=3(元)
(2)20+3×4=32(元)
(3)(答案不唯一)
一套鲜花图片和一套动物图片一共多少元?
2×4+3×4=20(元)