5.63-3= 0.5× = +0.75= 3.6÷60%=
4× ÷4× = 0.22= 0.25×16= 0.1+99×0.1=
+= ﹣= 3.5×= 2÷0.5=
86+124= ×63=49
2﹣= 1÷×=
10﹣3.6= 8.32÷4=
0.25×0.25= 0.38×90+3.8=
+ =
90﹣40=
1.25×4=
100÷25=
9+2﹣5=
÷ ×7=
20%+0.8= 1-1÷7= + = × =
0.12= 5÷ × = ×8÷ ×8=
101×25= ×0.5= ×= 5+= 2.5× =
3.2÷8= 1.25- = 5× ÷5÷ = 1.25× ×0.8=
0.5÷5%= 0.75× = 2+3%= 3a×4a=
= 3.9-2.45= 10÷50%= 299÷102≈
20×30%= ×1.5= 3.6÷0.01= 1÷ =
6吨+900千克=( )吨 3.5立方米+350立方分米=( )立方米