1) RM34.80+RM278-RM120=( ) a) RM129.58 b) RM192.80 c) RM 36.38 d) RM432.85 2) RM7730-RM6051+RM98= ( ) a) RM1767 b) RM1677 c) RM1777 d) RM1581 3) RM8293.75-RM120+RM782.90= ( ) a) RM8956.65 b) RM9075.45 c) RM86382.75 d) RM8965.65

三年级: 币值的加减混合运算

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