递等式计算(能巧算的要巧算) 500+960÷8281×(9÷3)370-70×5495+642+52365-298-102279×5-5×79

2025-05-22 08:43:25
推荐回答(1个)
回答1:

(1)500+960÷8
=500+120
=620

(2)281×(9÷3)
=281×3
=843

(3)370-70×5
=370-350
=20

(4)495+642+5
=495+5+642
=500+642
=1142

(5)2365-298-102
=2365-(298+102)
=2365-400
=1965

(6)279×5-5×79
=(279-79)×5
=200×5
=1000