早教吧 育儿知识 作业答案 考试题库 百科 知识分享

简便计算.564+125+36545-168-14565×99+6515×23-23×5420÷(5×7)35×201125×32×25868-(168+54)

题目详情
简便计算.
564+125+36     545-168-145        65×99+65      15×23-23×5
420÷(5×7)35×201        125×32×25         868-(168+54)

564+125+36     545-168-145        65×99+65      15×23-23×5
420÷(5×7)35×201        125×32×25         868-(168+54)
564+125+36     545-168-145        65×99+65      15×23-23×5420÷(5×7)35×201        125×32×25         868-(168+54)564+125+36     545-168-145        65×99+65      15×23-23×5564+125+36     545-168-145        65×99+65      15×23-23×5420÷(5×7)35×201        125×32×25         868-(168+54)420÷(5×7)35×201        125×32×25         868-(168+54)
▼优质解答
答案和解析
(1)564+125+36
=564+36-125
=600+125
=725

(2)545-168-145  
=545-145-168
=400-168
=232

(3)65×99+65   
=65×(99+1)
=65×100
=6500

(4)15×23-23×5
=(15-5)×23
=10×23
=230

(5)420÷(5×7)
=420÷5÷7
=420÷7÷5
=60÷5
=12

(6)35×201   
=35×(200+1)
=35×200+35
=7000+35
=7035

(7)125×32×25         
=125×8×4×25
=(125×8)×(4×25)
=1000×100
=100000

(8)868-(168+54)
=868-168-54
=700-54
=646