300÷125÷8
=300÷(125×8)
=300÷1000
=0.3
396-96-172-28
=(396-96)-(172+28)
= 300-200
= 100
125*24
= 125*8*3 手歼宽
= 1000*3
= 3000
360÷24
=360÷6÷4
=60÷4
=15
240÷48
=240÷24÷2
=10÷2
=5
800÷32
=800÷8÷4
=100÷4
=25
27+456+73
=(27+73)+456
＝100+456
＝556
24÷4+56÷4
＝(24+56)÷4
＝80÷4
＝20
2.5×0.7×0.8
＝(2.5×0.8)×0.7
＝毕亮60×0.7
＝42
其改判它还有一些题目如下：
27+456+73
10-0.4-2.6
0.43+8.6+0.57
244+182+156
14.02-3.5-6.5
2.78+19+199
912-163-237
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