Whakaoti i te (4+74):42+152-1

$$( 4 + 74 ) : 42 + 152 - 1$$

Aromātai

$$\frac{1070}{7}\approx 152.857142857$$

Ngā Upane Otinga

Tāpirihia te 4 ki te 74, ka 78.

$$\frac{78}{42}+152-1$$

Whakahekea te hautanga \frac{78}{42} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 6.

$$\frac{13}{7}+152-1$$

Me tahuri te 152 ki te hautau \frac{1064}{7}.

$$\frac{13}{7}+\frac{1064}{7}-1$$

Tā te mea he rite te tauraro o \frac{13}{7} me \frac{1064}{7}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{13+1064}{7}-1$$

Tāpirihia te 13 ki te 1064, ka 1077.

$$\frac{1077}{7}-1$$

Me tahuri te 1 ki te hautau \frac{7}{7}.

$$\frac{1077}{7}-\frac{7}{7}$$

Tā te mea he rite te tauraro o \frac{1077}{7} me \frac{7}{7}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{1077-7}{7}$$

Tangohia te 7 i te 1077, ka 1070.

$$\frac{1070}{7}$$

Tauwehe

$$\frac{2 \cdot 5 \cdot 107}{7} = 152\frac{6}{7} = 152.85714285714286$$