22.5÷18= ★8.4÷0.56=验算：
1.25×8＝ 16×0.5＝ 36÷0.9＝ 360÷100＝
0.2×55＝ 2.6÷0.2＝ 2.4×6＝ 3.2÷4＝
2.5 ×5＝ 0.72×5＝ 2.7×0.3＝ 12.5×80＝
84÷0.4＝ 4.2÷7＝ 0.9÷0.3＝ 24÷1.2＝
3.6÷0.6= 6.4÷0.8= 5.5÷1.1= 5.6÷8= 4.2÷3=
8.4÷0.21= 2.1÷0.3= 0÷1.5= 9.3÷3= 9.8÷14=
