问题 解答题
48+75=______26+524=______100-40=______
63÷7=______2000+600=______ 58+23=______
21÷3=______35÷7=______25÷5=______
42÷6=______ 4×6+5=______8×5=______
18÷9=______28÷4=______63÷7=______.
答案

48+75=12326+524=550100-40=60
63÷7=92000+600=2600 58+23=81
21÷3=735÷7=525÷5=5
42÷6=7 4×6+5=298×5=40
18÷9=228÷4=763÷7=9
故答案为:123,550,60,9,2600,81,7,5,5,7,29,40,2,7,9.

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