①6.4×2.5×1.25
②8.5×98%
③÷4+×
④×
① ②
③ ④
2.63+37%= 13.14-5.43-4.57= 23-0.32= =
① ×58﹣58×
②525+450÷15
③200﹣12.8﹣7.2
④24÷ ×( ﹣ )
⑤2.5×1.25×0.8
⑥ ×[ +( ﹣25%)]
3.6-0.4= 24×0.5= 0.6+0.24= + =
×0.27= 1.4÷ = 0.25- = 5-5÷6=
5×6%= 0.8 0.04= 234-98= 6.5-22=
100-0.4= 1÷9= 0.125×80= 0.86+0.4=
+ = - = × = 0.1÷ =
①
②
③
④
⑤
⑥
① []
②4.6+7.68﹣1+2.32
③1.25×2.5×0.4×8
④9.5×20%+
①2021÷1.25÷
②5.74×12.5%+1.26÷8+
③(-0.6)÷(-)
④0.8÷[(+)×]