① + ×
② ÷[( + )× ]
③( + - )÷
④29× +
⑤ - -
⑥ ÷ + ×
① ÷ ×
② ÷4+0.25÷17
③ ÷[( - )× ]
④12÷( + )
⑤ ×8×2.6×
⑥5×( - )×7
×2= ÷5= 7.8× = × ×0=
÷ = ×1.4= 10÷0.1= ( - )÷ =
3.14×52= -0.6= + ×7= x ÷ ÷ =
① × ×3
②87×
③ - ×
④ ÷ ×
⑤3.7× +1.3÷
⑥ ÷(3- - )
①97×
② ×58+ ×43-
③
④17.34-(7.34-2.6)
⑤
⑥(5.7×40%+6.3× )÷3
①
②
③ =
④ =
⑤ =
⑥ =
④
⑥
①0.75× ÷4
② +6÷
③ - ÷
④2- ÷ ×
⑤ × - ÷
⑥ ÷( - × )
①75×
② ×58+42÷8
③ × ×51×55
⑤23-
⑥ + ÷ +
① + ÷
③2020×
④( + )×9×17
⑤ ×[1÷( + )]