36×0.5=
0.25×4=
1.37+0.7=
1.2×1=
0.35×300=
10-0.99=
14.2+7.8=
2.4×0=
0.3×6=
列式计算:
8.2+1.02= 0.45×2= 0.26+0.34= 1.25×8=
4-0.23= 2×0.3= 0.81-0.31= 0.35×100=
18×5= 72÷18= 8.8+2= 24×5÷4=
0÷46= 10-2.5= 4.02×10= 4.7-1.6-2.4=
0.3×3= 81.6÷100= 2.03×100= 2.5×40=
1-0.2= 10.1+1.01= 8.7+1.3= 0.6×8=
20×30 0.2×0.3
=(2×10)×(3×10) =(2×0.1)×(3×0.1)
=(2×3)×(10×10) =(2×3)×(0.1×0.1)
=6×100 =6×0.01
=600 =0.06
明明:
4÷0.74≈5.4(个)
5.4≈5
5<6
答:不能编6个这样的中国结。
聪聪:
0.74×6=4.44(m)
4.44>4