①0.25×4= ②0.24÷12= ③6.8÷4= ④0.8×12.5= ⑤13.8×0=
⑥10×99.5= ⑦2.4×5= ⑧0.81÷0.09= ⑨2.74+0.726÷0.1= ⑩0.42÷0.7÷0.6=
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