Matematică
girl4ever2010
2016-04-14 06:26:39
1. Calculeaza: a) 18g+36dag=?dg; 30dg+72g=?g; 49kg-210dag=?hg; 67hg-100dg=?dag; b) 8×50cg+6×250dg=?g; 20000g÷4-20×1500dg=?hg; 8q-(2×650dag+4×750g)50=?kg; 9t+[500q-(500kg-5×800hg)×9]=?q
Răspunsuri la întrebare
iuliminnie
2016-04-14 10:50:38

a) 180+3600=3780dg 3+72=75g 490-21=469hg 670-1=669dag b)8x0,5+6x25=154g 200/4-20x1,5=80hg 800-(2x6,5+4x0,75)50=0kg 90+[500q-(5q-5x0,8)x9]=581q

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