①
②
③
④
⑤
⑥
×+÷
0.9×999+0.9
25%×÷
9+(-0.75)÷
25%×(1.01+1.01+1.01+1.01) 12.5÷+12.5× 3.7×99+37×0.1
765×613+765×387
5.1+27.1%+4.9+32.9%
① ×58﹣58×
②525+450÷15
③200﹣12.8﹣7.2
④24÷ ×( ﹣ )
⑤2.5×1.25×0.8
⑥ ×[ +( ﹣25%)]
①6.4×2.5×1.25
②8.5×98%
③÷4+×
④×
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÷[(+)×]