18× = 3.5× = × =
5.6÷ = ÷4= ÷ =
÷ =
﹣ =
× =
+ × ×0=
43.96+31.4=
0.625×8=
2.8× =
0.25×16=
①+3=
②
③
④0.32=
⑤1÷0.1﹣0.1×1=
⑥0.25+0.75=
⑦8﹣0.08=
⑧621÷89=
﹣0.5= +3= ×= 0.8×=
0.23+177%= 2.5×40= 1÷= ×÷×=
37+173=
4.1﹣0.13=
5.2÷0.04=
0.36×2.5=
+ =
1÷ =
÷60%=
×15=
×
0.375× ×0.98.