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1.3.8x4.2+0.38x582.0.12x4.6+0.54x1.23.16.5x16+5.5x524.0.37x7.2+14.8x0.075.47.5x8+35.5x126.3.65x8+2.4x427.37.5x21.5x0.112+35.5x12.5x0.112写算法,
题目详情
1.3.8x4.2+0.38x58
2.0.12x4.6+0.54x1.2
3.16.5x16+5.5x52
4.0.37x7.2+14.8x0.07
5.47.5x8+35.5x12
6.3.65x8+2.4x42
7.37.5x21.5x0.112+35.5x12.5x0.112
写算法,
2.0.12x4.6+0.54x1.2
3.16.5x16+5.5x52
4.0.37x7.2+14.8x0.07
5.47.5x8+35.5x12
6.3.65x8+2.4x42
7.37.5x21.5x0.112+35.5x12.5x0.112
写算法,
▼优质解答
答案和解析
1.3.8x4.2+0.38x58=0.38×(42+58)=38
2.1.2×(0.46+0.54)=1.2
3.5.5×48+5.5×52=5.5×(48+52)=550
4.3.7×0.72+3.7×0.28=3.7×(0.28+0.72)=3.7
5.190×2+213×2=806
6.7.3×4+4×25.2=4×32.5=130
7.0.112×(12.5×64.5+12.5×35.5)=0.112×1250=140
2.1.2×(0.46+0.54)=1.2
3.5.5×48+5.5×52=5.5×(48+52)=550
4.3.7×0.72+3.7×0.28=3.7×(0.28+0.72)=3.7
5.190×2+213×2=806
6.7.3×4+4×25.2=4×32.5=130
7.0.112×(12.5×64.5+12.5×35.5)=0.112×1250=140
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