(84%-13%)÷71
×21=
1-20%=
43%×100=
0.5×20%=
1÷25%=
0.22=
-0.2=
×2 ÷ ×2=
1.4-1.08=
0×(-)=
+÷+=
99×0.8+0.8=
①
②
③
④
⑤
⑥
40×(1+10%) 40÷(1+10%) 35×(1+10%)
50÷(1+15%) 40+0.1% 20×20%
①(2.3+2.3+2.3+2.3)×2.5
②7.2×85%+2.8×0.85
③( + - )×24
④ ÷[ ×( - )]
⑤[( -0.25)× +0.3]÷
①[3-( +0.75)+ ]÷
② -( - )
③13×( + )×17
④0.76× -7.6×0.28+76×7%
⑤(1+ + )×( + + )-(1+ + + )×( + )
①4080÷12﹣24×1.5
② ﹣ + ﹣
③48×75%+53× ﹣0.75
④8×( + )+
⑤ ÷[ ×( ﹣ )]
⑥ + + + +