3.6×6.15的积是多少列式计算

2025-12-13 21:28:02
推荐回答(1个)
回答1:

①15×3÷ 9 11 , =45× 11 9 , =55; 答:这个数是55; ②3.6÷0.3+7.2× 1 2 , =12+3.6, =15.6; 答:和是15.6.