四分之一乘几等于五分之一乘几?(三种填法) 五分之一乘以四分之三等于多少?
\u5728\u62ec\u53f7\u91cc\u586b\u4e0a\u5408\u9002\u7684\u6574\u6570\u3002\uff08\u81f3\u5c11\u5199\u4e09\u79cd\u586b\u6cd5\uff09 \u56db\u5206\u4e4b\u4e00\u4e58\uff08 \uff09\u7b49\u4e8e\u4e94\u5206\u4e4b\u4e00\u4e58\uff08 \uff09\u56db\u5206\u4e4b\u4e00 \u00d7\uff08 4 \uff09\u7b49\u4e8e\u4e94\u5206\u4e4b\u4e00 \u00d7\uff08 5 \uff09
\u56db\u5206\u4e4b\u4e00 \u00d7\uff08 8 \uff09\u7b49\u4e8e\u4e94\u5206\u4e4b\u4e00 \u00d7\uff08 10 \uff09
\u56db\u5206\u4e4b\u4e00 \u00d7\uff08 12 \uff09\u7b49\u4e8e\u4e94\u5206\u4e4b\u4e00 \u00d7\uff08 15 \uff09
\u4e8c\u5341\u5206\u4e4b\u4e09
1/4*20=1/5*25=5;1/4*4=1/5*5=1;
1/4*8=1/5*10=2;
1/4*12=1/5*15=3。
绛旓細鍥涘垎涔嬩竴涔樹互(12)=浜斿垎涔嬩竴涔樹互(15)
绛旓細( 0.4 )脳2.5=1
绛旓細浜斿垎涔嬩竴闄や互鍥涘垎涔嬩竴=浜斿垎涔嬩竴涔樹互4=浜斿垎涔嬪洓
绛旓細鍥涘垎涔嬩竴涔樺洓绛変簬涔涔樹互涔濆垎涔嬩竴绛変簬浜斾箻浜斿垎涔嬩竴绛変簬4*0.25=1
绛旓細1/4 x4 = 0.75 x4/3 =3/5 x 5/3 =2/7x 7/2 =1
绛旓細4鍒嗕箣1脳a=5鍒嗕箣3脳b a锛歜=5鍒嗕箣3:4鍒嗕箣1=12:5 鍥犱负姣斿间竴瀹 鎵浠鍜宐鎴愭姣斾緥銆
绛旓細30鍒嗕箣涓
绛旓細浜屽垎涔嬩竴涔樹笁鍒嗕箣涓绛変簬锛氬叚鍒嗕箣涓 鍥涘垎涔嬩竴涔樹簲鍒嗕箣涓绛変簬锛氫簩鍗佸垎涔嬩竴 浜屽垎涔嬩竴鍑忎笁鍒嗕箣涓绛変簬锛氬叚鍒嗕箣涓 鍥涘垎涔嬩竴鍑忎簲鍒嗕箣涓绛変簬锛氫簩鍗佸垎涔嬩竴 鍏垎涔嬩竴涔樹竷鍒嗕箣涓绛変簬锛氬洓鍗佷簩鍒嗕箣涓 鍏垎涔嬩竴涔樹節鍒嗕箣涓绛変簬锛氫竷鍗佷簩鍒嗕箣涓 鍏垎涔嬩竴鍑忎竷鍒嗕箣涓绛変簬锛氬洓鍗佷簩鍒嗕箣涓 鍏...
绛旓細鍥涘垎涔嬩竴涔樹簲鍒嗕箣鍥涚瓑浜 銆5鍒嗕箣1 銆
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