题目

计算: (1) (-5)+(-4)-(+11)-(-19) (2) (3) ﹣32×[﹣(﹣1)3 ] (4) . 答案:解:(-5)+(-4)-(+11)-(-19)=-5-4-11+19 =-1 解: (−7)÷78×87×(−21) = 7×87×87×21=192 解:﹣32×[﹣(﹣1)3 ] =-9×1 =-9 解: (−1)2019−8×(112)2+(13−34)÷(−112) .= −1−8×94+(13−34)×(−12)= −1−18−4+9=-14判断,对的写正确,错的写错误。Today is Sunday. Ann and Ken get up very late. They want to go to a movie. But it starts at 8:00. They don't have enough time. They want to go to the green park. But it's too far away. So they go to the swimming pool. The ticket is only ¥5. It's cheap. They have fun there.(1)Ann and Ken get up very early.(2)They go to a movie.(3)They don't go to the park because it's too far away.(4)They go to the swimming pool.(5)The ticket is very expensive.
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