直接写数对又快
66+8= 3.8+6.2= ×= 47﹣8= 3.8÷0.19=
12÷= 56÷4= 24×0.5= = 471﹣299=
1÷0.25= = 600÷5= 8﹣0.8= =
1.06×8×12.5= 1.5×0.6= = 6.6+4= 1.5÷0.3=
= 1﹣0.05= ×4= = ÷3=
﹣= 2﹣﹣= = 1﹣÷ 1+÷=
直接写数对又快
66+8= 3.8+6.2= ×= 47﹣8= 3.8÷0.19=
12÷= 56÷4= 24×0.5= = 471﹣299=
1÷0.25= = 600÷5= 8﹣0.8= =
1.06×8×12.5= 1.5×0.6= = 6.6+4= 1.5÷0.3=
= 1﹣0.05= ×4= = ÷3=
﹣= 2﹣﹣= = 1﹣÷ 1+÷=