①用了5瓶
②每瓶1千克
③每瓶3元
71÷8= 29÷4= 17÷3= 75÷9=
18÷6=
21÷3=
64÷8=
36÷4=
4×0=
16÷4=
54÷9=
42÷6=
40÷5=
①216÷(18×6)
② × + ÷
③( - )× ×36
④125%×2.5×3.2
⑤4.67-(0.67+2.98)
⑥ ÷[2÷( - )]
36+48= 9.2-4.6= 560÷10= 12.5÷0.5=
- = 56× = 0.32= 2021×0.125×8=