= ÷22 = 1- =
- = + = =
+ = - = + = 1- =
- = + = - = + =
+ = 1- = + = - =
×0= ×9= × = × =
÷7=
4.1-3.8= 4+0.78= 14.6-0.4= 1.3+8.6= 0.8-0.55=
4-0.04= 1-0.03= 3.5+3.5= 0.8-0.5= 0.78+2.2=
12×2= 2.4×30= 2.7×0.3= 102÷2= 0.06÷0.3=
1.02×70= 9.8÷7= 302×0= 1.24×7= 0.5×4.2=
1﹣0.01= 5÷8= 12.6﹣7.6﹣0.4= 3y+0.7y= 8.2÷0.01= 35÷0.5= 0.32×99+0.32= 2.9m﹣m=