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100 points
1. 2 × 4 of 80 = 2 / 200 2, 7 × 3 of 9 325 = 2 × 5 4, 7 × 140 6 of 70, 8 × 7 of 7, 7 × 9 8 of 2, 7 × 2 of 9 = 9, 2 × 2 of 4 = 110, 7 × 4 of 14 = 14 / 7 = 211, 4 × 5 of 20 = 112, 7
Urgently ask for 100 score calculation questions (with answers)
1) 4/14+8/14=6/7 2) 7/10+2/10=9/10 3) 4/7-3/7=1/7 4) 3/14+7/14=5/7 5) 4/11+5/11=9/11 6) 4/15+2/15=2/5 7) 9/10-3/10=6/10 8) 7/13+5/13=12/13 9) 6/13+5/13=11/13 10) 2/8+3/8=5/8 11) 9/13-9/13=0 12) 9/13+3...
Why let the roots of camphor tree take more soil?
Avoid damage to roots, especially small young roots in soil. This can improve the survival rate of trees
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