问题
解答题
脱式计算.
|
答案
(1)840÷4÷7,
=210÷7,
=30;
(2)(200+402)÷7,
=602÷7,
=86;
(3)65×(788-768),
=65×20,
=1300;
(4)16×34÷8,
=544÷8,
=68.
脱式计算.
|
(1)840÷4÷7,
=210÷7,
=30;
(2)(200+402)÷7,
=602÷7,
=86;
(3)65×(788-768),
=65×20,
=1300;
(4)16×34÷8,
=544÷8,
=68.