①1.3×0.65=
②50-12.85=
③7.83+34.7=
④7.08×3.5=
⑤800×0.045=
⑥16.2-7.08=
①3.8×0.15=
②2.7+9.41=
③4.6×50=
④13.2×9.8=
⑤8.7×2.04=
⑥0.86×0.72=
⑦5-1.08=
⑧7.5×1.8=