"How much is 54 times 32 minus 48. Su Kongqing sat beside Qu Songyin and raised her eyebrows proudly, her fingers moving along with her eyebrows.

Qu Songyin relied on the golden finger, his brain turned quickly, he calculated silently in his heart, and quickly replied, "1680." Looking up at Su Jingmo beside Su Kongqing, "What is 334 times 18 minus 1456?"

Su Jingmo paused, lifted the pencil between his fingers, was looked at by Qu Songyin, put the pencil down again, and began to do mental arithmetic.

Su Kongqing saw that he was about to write, slapped the table and laughed, "Brother, do you want to pinch your fingers and calculate?"

These words made Su Jingmo glare at him angrily, and then lowered his head and calculated for a long time, and then looked at Qu Songyin, "4556." "But he's still slow

Chapter 40 of "Wearing to the Seventies Family Carnival" Something happened is in the middle of the hand, please wait a while,

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