计算:(1)﹣2﹣5+19﹣13+1= ________ (2) = ________ (3)17﹣8÷(﹣2)+4×(﹣3)= ________
计算:(1)﹣2﹣5+19﹣13+1=________(2)=________(3)17﹣8÷(﹣2)+4×(﹣3)=________(4)(﹣+﹣)×48=______...
计算:(1)﹣2﹣5+19﹣13+1= ________ (2) = ________ (3)17﹣8÷(﹣2)+4×(﹣3)= ________ (4)(﹣ + ﹣ )×48= ________ (5) = ________ (6) = ________
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