①100÷0.2= ②125×0.8= ③ ④
⑤630÷70= ⑥0.75﹣0.7= ⑦0.8+0.2= ⑧9﹣6.3﹣1.7=
+ = - = + = 1- =
- = +2= -0= -1=
7﹣6.38= 0.42÷0.7= 0.62= 37.2×99+37.2=
7.3﹣3= 8÷0.5= 53= 9﹣(2.5+6.5)=
0.8﹣0.35= 1÷0.25= 0.22×0.5= 10﹣4.8﹣3.2=
0.125×8=
7.4-2.8=
20×0.4=
3.6t−t=
0.48+0.52=
9.6÷3=
2.1+8.9=
4x-3x=
21÷ = + = ×12= - =
- = ×1.5= ÷18= ÷ =
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