初一100道数学计算题及答案.docx

文档介绍：×(8+10) 
=×8+×10
=10+= 
9123-(123+) 
=9123-123-
=9000-
= 
×+× 
=×(+)
=×3= 
9999×1001 
=9999×(1000+1)
=9999×1000+9999×1 
=10008999 
×-×+× 
=(-)×+×
=×+× 
×(+) 
=×10 
=83 
++ 
=(+)+ 
=10+ 
= 
933-157-43 
=933-(157+43)
=933-200
=733 
4821-998 
=4821-1000+2
=3823 
I32×125×25 
=4×8×125×25 
=(4×25)×(8×125)
=100×1000 
=100000
9048÷268 
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷269 
=100+100+100+48
=348
2881÷ 43 
=(1290+1591)÷ 434
=1290÷43+1591÷43
=30+37
××-××16
=××-××
=×(×-×)
=×(4××-×4×)
=×(4××2×-×4×)
=×(-)
=×[4××(-)]
=×[4××] 
=×(4×)
=4237 
+18÷-× 
=+12-
=-
=
×8+×8-47 
=52+28-47
=80-47
(80-)×5分之2- 
=-
=-
=
8×7分之4÷[1÷(-)]
=8×4/7÷[1÷]
=8×4/7÷4
=8/7
2700×(506-499)÷900 
=2700×7÷900 
=18900÷900 
=21 
-(-)÷
=-÷
=- 
=10
(1÷1-1)÷ 
=(1-1)÷ 
=0÷ 
=0
+(3-÷)×1
=+×1 
=+ 
=
[-18]+29+[-52]+60= 19 
[-3]+[-2]+[-1]+0+1+2= -3 
[-301]+125+30