题目

直接写出得数． 3.48+6.2=4.9÷0.7=2.4×5=8﹣ = + =12× =310×4=0÷ = ÷ = × =123﹣57=43= 答案：解： 3.48+6.2=9.684.9÷0.7=72.4×5=128﹣ 15 =7 45 14 + 15 = 920 12× 215 = 85 310×4=12400÷ 231 =0 19 ÷ 35 = 527 87 × 78 =1123﹣57=6643=64

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