题目内容
【题目】选择合适的方法计算。
①16.87-4.33-3.67
②6.25×3.8+37.5×0.38
③25×32×125
④( 
一 
)+ 
÷2
⑤ 
÷( 
-0.25)÷ 
⑥75× 
+26×25％-0.25
【答案】8.87 38 100000 
25
【解析】
①16.87-4.33-3.67
=16.87-(4.33+3.67)
=16.87-8
=8.87
②6.25×3.8+37.5×0.38
=6.25×3.8+3.75×3.8
=(6.25+3.75)×3.8
=10×3.8
=38
③25×32×125
=(25×4)×(8×125)
=100×1000
=100000
④
=
=
⑤
=
=
=
⑥75×
+26×25％-0.25
=75×+26×-
=（75+26-1）×
=100×
=25
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