2463-450÷18×36 57×(36+315÷15) (75+240)÷(30+5) 怎么简便计算,谢谢!
2463-450÷18×36 57×(36+315÷15) (75+240)÷(30+5) 怎么简便计算,谢谢!
2463-450÷18×36
2463-450*(36/18)
=2463-900
=1563
57×(36+315÷15)
=57*{36+21)
=57*57
=3249
(75+240)÷(30+5)
=315/35
=63/7
=9
(75+240)/(20_5)简便计算
(75+240)÷(20-5)
=315÷15
=315÷5÷3
=63÷3
=21
75+240÷24-25简便计算
75+240÷24-25
=75+10-25
=(75-25)+10
=50+10
=60
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有新问题请求助,谢谢!
75+240÷40-25脱式简便计算
75+240÷40-25脱式简便计算
=75十6一25
=75一25十6
=50十6
=56
240÷36的简便计算
240/36
=240/4/9
=60/9
=20/3
(75十240)÷(30一15)的简便计算
(75+240)÷(30-15)
=(5×15+16×15)÷15
=[(5+16)×15]÷15
=(21×15)÷15
=21×15÷15
=21×1
=21
36×240÷40×7简便计算
36X(240/40)*7
58x(36十315÷15)怎样简便计算呢
计算器,先算315÷15,然后加上36,再乘58
240÷【(36-21)×2】简便计算
240÷【(36-21)×2】
=240/30
=8
18×301-36怎么简便计算?
18x301-36
=18x300+18-36
=1800-18
=1782