888888 × 6+ 111111 × 52
2024×2023-2023×2022+2022×2021-2021×2020
①451-576+549+476
②1000-700÷25×4
③(14×32+14×18)÷25
④327×99-173
⑤(6950-325×18)÷50
⑥333×52+999×16
20×30 0.2×0.3
=(2×10)×(3×10) =(2×0.1)×(3×0.1)
=(2×3)×(10×10) =(2×3)×(0.1×0.1)
=6×100 =6×0.01
=600 =0.06