《2025年速算天地数学口算心算五年级上册苏教版》

速算 11
0.4×0.6=0.24 2.8×100=280
0.3×0.5=0.15 0.37×10=3.7
0.2×0.9=0.18 3.5×0.1=0.35
0.7×0.7=0.49 0.34×2=0.68
0.3×0.2=0.06 0.7×1.1=0.77
0.6×0.6=0.36 2.4×0.2=0.48
0.5×0.4=0.2 1.2×0.4=0.48
0.4×0.8=0.32 4.2×0.1=0.42
0.6×0.6=0.36 0.2×4.1=0.82
0.7×0.5=0.35 3.3×0.3=0.99
0.9×0.7=0.63 2.1×0.4=0.84
0.8×0.6=0.48 0.7×1.1=0.77
0.3×0.4=0.12 0.12×0.3=0.036
0.1×0.6=0.06 1.3×0.3=0.39
0.6×0.7=0.42 2.3×0.2=0.46
0.8×0.1=0.08 0.1×0.25=0.025
0.4×0.4=0.16 1.9×0.3=0.57
0.5×0.9=0.45 2.2×0.2=0.44
0.2×0.2=0.04 0.23×0.3=0.069
0.1×0.9=0.09 0.2×0.34=0.068

答案： 0.4×0.6=0.24
2.8×100=280
0.3×0.5=0.15
0.37×10=3.7
0.2×0.9=0.18
3.5×0.1=0.35
0.7×0.7=0.49
0.34×2=0.68
0.3×0.2=0.06
0.7×1.1=0.77
0.6×0.6=0.36
2.4×0.2=0.48
0.5×0.4=0.2
1.2×0.4=0.48
0.4×0.8=0.32
4.2×0.1=0.42
0.6×0.6=0.36
0.2×4.1=0.82
0.7×0.5=0.35
3.3×0.3=0.99
0.9×0.7=0.63
2.1×0.4=0.84
0.8×0.6=0.48
0.7×1.1=0.77
0.3×0.4=0.12
0.12×0.3=0.036
0.1×0.6=0.06
1.3×0.3=0.39
0.6×0.7=0.42
2.3×0.2=0.46
0.8×0.1=0.08
0.1×0.25=0.025
0.4×0.4=0.16
1.9×0.3=0.57
0.5×0.9=0.45
2.2×0.2=0.44
0.2×0.2=0.04
0.23×0.3=0.069
0.1×0.9=0.09
0.2×0.34=0.068