hitunglah hasil operasi pecahan berikut a). {3/8+3/4}x{6/5:4/5} b). {7/10-1/5}:{3/10+2/5}
Matematika
usmanudin
Pertanyaan
hitunglah hasil operasi pecahan berikut
a). {3/8+3/4}x{6/5:4/5}
b). {7/10-1/5}:{3/10+2/5}
a). {3/8+3/4}x{6/5:4/5}
b). {7/10-1/5}:{3/10+2/5}
1 Jawaban
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1. Jawaban Fadhlur16
a) {3/8+(3/4×2/2)}×{6/5×5/4}={3/8+6/8}×3/2=9/8×3/2=27/16
b) {7/10-(1/5×2/2)}:{3/10+(2/5×2/2)}={7/10-2/10}:{3/10+4/10}=5/10:7/10=5/10×10/7=5/7