题目内容
脱式计算。 | ||||
|
(1)50×(180-130)÷20 =50×50÷20 =2500÷20 =125 |
(2)960-480÷20×7 =960-24×7 =960-168 =792 |
(3)170×[680÷(320-286)] =170×(680÷34) =170×20 =3400 |
(4)574-(63+77)÷14 =574-140÷14 =574-10 =564 |
练习册系列答案
相关题目
题目内容
脱式计算。 | ||||
|
(1)50×(180-130)÷20 =50×50÷20 =2500÷20 =125 |
(2)960-480÷20×7 =960-24×7 =960-168 =792 |
(3)170×[680÷(320-286)] =170×(680÷34) =170×20 =3400 |
(4)574-(63+77)÷14 =574-140÷14 =574-10 =564 |