①6.5×0.7+3.5×0.7
②145×9+145
③126.5﹣4.21﹣5.79
④4.85×9.9
①8.8×0.5+0.32
②2.5×38×0.5
③5.2×3.6﹣3.2×3.6
④7.09×99+7.09
312-108= 24×125= 9.3÷100= 4.06×100÷10=
198+98= 3600÷90= 0.74×1000= 2150÷86×0=
①69×101
②18.5-4.6-5.4
③2.5÷
④
⑤
①2021÷1.25÷
②5.74×12.5%+1.26÷8+
③(-0.6)÷(-)
④0.8÷[(+)×]