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÷= ×= 4÷= 1.2×=
÷0.5= 4.9×= 1.2×= 1÷×
2.4×5= ÷= 4.8×= ÷3×=
25÷25%= ÷= 35÷= ×÷×=
×= 3.2×= ×× ×-×=
= ÷= 8÷8÷ ×5-2×=
×2= ×12= ×= ×=
×= = = =
×24= 1.8×= ×= ×10=
乘法算式:
或
除法算式:
一共有多少个气球?
算式:
0.45×0.8 = 5.6÷10 =