(n 不为0)
根据上面的规律计算:
⑴
⑵
×()×11 ×99+
16.58-(5.35+4.58) 26×
①
②
③
改正:
①×+×
②48×(+)
③×48
④13×-
⑤+
⑥+
①×-×
②×11+
③×16×
④(+)×24
⑤4.8×(-)
⑥2021×
①21÷0.5÷0.6
②125×88
③2.5×32×12.5
④
⑤
⑥61×40%+38× +0.4
① ×
②3÷( × )
③1- ×
④ ×( )
⑤ × ×
⑥ ×[ ÷( )]