问题
解答题
3.12加上4.4的和乘2.5,积是多少?正确列式是______
①3.12+4.4×2.5②2.5×3.12+4.4 ③(3.12+4.4)×2.5④3.12+2.5×4.4.
答案
据题意正确列式是:(3.12+4.4)×2.5.
故选:③.
3.12加上4.4的和乘2.5,积是多少?正确列式是______
①3.12+4.4×2.5②2.5×3.12+4.4 ③(3.12+4.4)×2.5④3.12+2.5×4.4.
据题意正确列式是:(3.12+4.4)×2.5.
故选:③.