40+60=________???????100-35=________???????48-28=________?????????52+20=________5×7=________???????????35÷8=________?????????35÷9=________????????9×6=________37÷8=________?????????45÷7=________?????????49÷7=________?????????28÷7=________24÷6-4=________????????????6×(5-3)=________??????????????5×4-6=________38÷6=________?????????????????40÷7=________?83÷9=________.
网友回答
100 65 20 72 35 4…3 3…8 54 4…5 6…3 7 4 0 12 14 6…2 5…5 9…2
解析分析:24÷6-4先算除法,再算减法;6×(5-3)先算小括号里面的减法,再算括号外的乘法;5×4-6先算乘法,再算除法;其它题目根据运算法则直接求解.
解答:解:40+60=100,100-35=65,48-28=20,52+20=72,5×7=35,35÷8=4…3,35÷9=3…8,9×6=54,37÷8=4…5,45÷7=6…3,49÷7=7,28÷7=4,24÷6-4=0,6×(5-3)=12,5×4-6=14,38÷6=6…2,40÷7=5…5,83÷9=9…2.故