A-A+
我口算快又准. 45+32=84-21=3×9=1000-400=5×6=59+41=60+
问题详情
我口算快又准.
参考答案
45+32=77,84-21=63,3×9=27,1000-400=600,5×6=30,59+41=100,60+25=85,200÷2=100,700+200=900,24÷4=6,80-(35-15)=60,(12+36)÷6=8,4×7+2=30,27÷5=5.4
考点:口算
我口算快又准.
45+32=77,84-21=63,3×9=27,1000-400=600,5×6=30,59+41=100,60+25=85,200÷2=100,700+200=900,24÷4=6,80-(35-15)=60,(12+36)÷6=8,4×7+2=30,27÷5=5.4