口算(我算得又对又快)
12÷4=1200-500=35÷7=4×6÷8=
4×8=63-28=3000+5000=12÷6×9=
9÷9=3×7=650+200=6×8+23=
87-12=54+6=64÷8=3×2×9=
网友回答
解:12÷4=3,1200-500=700,35÷7=5,4×6÷8=3,
4×8=32,63-28=35,3000+5000=8000,12÷6×9=18,
9÷9=1,3×7=21,650+200=850,6×8+23=71,
87-12=75,54+6=60,64÷8=8,3×2×9=54.
故