运用加法的交换律和结合律的是[ ] A.5.84+0.78+4.16=5.84+
题型:选择题
问题:
运用加法的交换律和结合律的是[ ]
A.5.84+0.78+4.16=5.84+4.16 +0.78
B.5.84+0.78+4.16=0.78+(5.84 +4.16)
C.5.84+0.78+4.16=5.84+(0.78 +4.16)
运用加法的交换律和结合律的是[ ]
A.5.84+0.78+4.16=5.84+4.16 +0.78
B.5.84+0.78+4.16=0.78+(5.84 +4.16)
C.5.84+0.78+4.16=5.84+(0.78 +4.16)