问题
解答题
递等式计算.
9-(8.54-5.32)
450+50×(96÷12)
780-80×3+27.
答案
(1)9-(8.54-5.32)
=9-3.22,
=5.78;
(2)450+50×(96÷12)
=450+50×8
=450+400
=850;
(3)780-80×3+27
=780-240+27
=540+27
=567.
递等式计算.
9-(8.54-5.32)
450+50×(96÷12)
780-80×3+27.
(1)9-(8.54-5.32)
=9-3.22,
=5.78;
(2)450+50×(96÷12)
=450+50×8
=450+400
=850;
(3)780-80×3+27
=780-240+27
=540+27
=567.