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Dsorinaflorina
a fost răspuns

Calculați: a) 24:6×3; 8 × 6:6; 20:5 × 9; 4 × 6:3: b) 90-64:8; 7+56:7; 63 - 63:9; 84 +90:10; c) (42:7+24): 5; (8 × 5+20): 6; (7x7+7x3): 10; (24+80:10): 4+9 × 3.​

Răspuns :

Avry

Explicație pas cu pas:

A) 24:6x3=4x3=12

8x6:6=48:6=8

20:5x9=4x9=36

4x6:3=24:3=8

B)90-64:8=90-8=82

7+56:7=7+8=15

63-63:9=63-7=56

84+90:10=84+9=93

C) (42:7+24)5=(6+24)5=30x5=150

(8x5+20):6=(40+20):6=60:6=10

(7x7+7x3):10=(49+21):10=70:10=7

(24+80:10):4+9x3=(24+8):4+27=32:4+27=8+27=35