4.8×1.25
①4.5-3.5×0.8
②0.8×3.7×1.25
③6.4×3.7+6.4×6.3
①1.75÷0.25÷0.4
②4.68÷(22-14.2)
③1.6×0.75+1.8÷1.5
④6.9×1.6+8.4×6.9
⑤24.5+5.5÷0.5
0.23×102
0.125×0.5×2=
①7.5+2.5×3.4
②52.5÷1.25÷8
③10.4×0.9+0.1×10.4
④12.5×25×0.4×0.8
⑤8.7×101-8.7