问题
计算题
计算。
|
答案
(1)420÷7-20
=60-20
= 40
=350+400
=750
(3)63-63÷3
=63-21
= 42
= 48+14
=62
(5)64÷2+68
=32+68
=100
= 400-100
=300
(7)430-1500÷5
= 430-300
=130
=23×3
=69
计算。
|
(1)420÷7-20
=60-20
= 40
=350+400
=750
(3)63-63÷3
=63-21
= 42
= 48+14
=62
(5)64÷2+68
=32+68
=100
= 400-100
=300
(7)430-1500÷5
= 430-300
=130
=23×3
=69