25×(0.95×4)=×(×) 0.75×101=0.75×(+)
7.5×9.9=7.5×(-) 2.8×2.4+7.2×2.4=×(+)
0.79×326326 4.03×3.14.03 3.5×113.5×10+3.5
①2.8×1.6+4.2
②2.5×53×0.4
③0.48×0.7+0.52×0.7
④28.6×101-28.6
⑤(8+0.8)×0.125
⑥3.8×0.9+0.38
⑦1.25×25×3.2
⑧6.7+3.3×0.42