①+3=
②
③
④0.32=
⑤1÷0.1﹣0.1×1=
⑥0.25+0.75=
⑦8﹣0.08=
⑧621÷89=
83﹣57=
1﹣0.74=
=
0.25×40=
2.1× =
0.15÷0.5=
8.9+3.01= 1- + = 1.2×5= 3.8÷0.038=
÷ = 3604÷62≈ 0.62-0.32= 1÷10%=
( - )×24= ×8÷ ×8=
4.68﹣4= += 0.8×= ÷= 0.42=
12.6÷3= ÷0.75= 3.8÷10%= 41×348×0= 1÷3×=
0.125×8= 4.5÷5= 3.55+2.45= 6297÷9≈
299×7≈
1.25×80%= = 1﹣0.375= 6÷0.2=
= 2.35+4.7= = 16×0.25=
= =