直接写出得数．
×
= 3.7+2.5= 51÷0.25= 1.1﹣0.11=
÷
= 68÷0.4= 
×
= 3.27+7.3=×6= 
×
= 627﹣198= 0.1÷50%=
×15= 9﹣
= 10﹣2
= 3.8×0.1=
×= 
÷50%= 
×40%= 12%+25%=
0.8÷3= 280÷35= 359+199= 120%﹣70%=
1.4×45= 40÷10%= 241﹣103= 324﹣198=
2﹣1.36= ﹣= 33÷
= 0.62+0.4=
0.37﹣0.3= 0.66÷0.3 100×0.48= 5x﹣3x=
35÷100= 0.4×0.5= 
﹣
= 0.23÷0.1=
1﹣
= 0.8π= 1﹣90%= 1+=
÷6=