问题标题:
口算0.78+0.06=(125+50)-56=71.2+5.3=321-73-27=0.7-0.07=12.8-9.86=18.05-4.56=0.4×1000=3.5+0.6=5-0.15=4.35+5.36=0.32÷100=0.81++0.09+4.3=8-0.43=35×25×4=800÷1000=9800÷25÷4=0÷78=99×45+45=47+99=
问题描述:
口算 0.78+0.06= | (125+50)-56= | 71.2+5.3= | 321-73-27= |
0.7-0.07= | 12.8-9.86= | 18.05-4.56= | 0.4×1000= |
3.5+0.6= | 5-0.15= | 4.35+5.36= | 0.32÷100= |
0.81++0.09+4.3= | 8-0.43= | 35×25×4= | 800÷1000= |
9800÷25÷4= | 0÷78= | 99×45+45= | 47+99= |
李晓雪回答:
0.78+0.06=0.84(125+50)-56=11971.2+5.3=76.5321-73-27=2210.7-0.07=0.6312.8-9.86=2.9418.05-4.56=13.490.4×1000=4003.5+0.6=4.15-0.15=4.854.35+5.36=9.710.32÷100=0.00320.81++0.09+4.3=5.28-0.43=7.5735×25...
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