(1)7.25+3.52+2.75+5.48, =(7.25+2.75)+(3.52+5.48), =10+9, =19; (2)125×25×0.8×4, =(125×0.8)×(25×4), =100×100, =10000; (3)24700-5278÷26×108, =24700-203×108, =24700-21924, =2776; (4)99999×77778+33333×66666, =9999×7778+(3333×3)×(6666÷3), =9999×7778+9999×2222, =9999×(7778+2222), =9999×10000, =99990000. |
题目简介
计算下列个题:(1)7.25+3.52+2.75+5.48(2)125×25×0.8×4(3)24700-5278÷26×108(4)99999×77778+33333×66666.-数学
题目详情
(1)7.25+3.52+2.75+5.48
(2)125×25×0.8×4
(3)24700-5278÷26×108
(4)99999×77778+33333×66666.